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Tag: Wisconsin Weather Blog

  • Dangerous heat is expected for parts of the country through Friday

    Dangerous heat is expected for parts of the country through Friday

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    A strong area of high pressure has positioned itself in the southwest part of the country, bringing extreme heat to not only the desert southwest but also to parts of Texas. This high will intensify over the next few days and block out any relief from Pacific arriving weather systems.


    What You Need To Know

    • A heat dome is set up over the soutwestern part of the country
    • Temperatures Wednesday through Friday are expected to be 20 degrees above normal
    • Excessive Heat Warnings and Advisories have been issued for millions of people

    Cities that will see potential records in the next few days include Las Vegas, San Antonio, Phoenix and Palm Springs.

    Heat dome

    High pressure is associated with sunny skies and calm weather, thanks to sinking air. When the high remains in the same location and strengthens, it becomes a heat dome, where hot air is trapped underneath the high, how your car heats if the windows are closed.

    This is happening in the southwest. The high also acts to block any incoming storm system and diverts them northward around it. With sinking air, clouds don’t form, and rain can’t fall, so you are left with hot air that transports from the air to the ground.

    Tuesday’s highs

    As the high was positioning itself south of California and Arizona on Tuesday, it transported heat into interior sections of those states, as well as Nevada, Utah and even eastward into New Mexico and Texas. With the high expected to drift further north, the heat will expand with it.

    Desert locations don’t have to worry about the heat index, but other areas will feel even hotter thanks to the humidity. San Antonio, Texas, reached a record high temperature of 103 degrees on Tuesday, but considering the humidity, the “feels like” temperature or heat index soared to 117 degrees, breaking the all-time highest heat index for that city.

    High temperatures for the rest of the week

    The National Weather Service has issued Excessive Heat Warnings and Heat Advisories for the rest of the week for regions expected to see extreme conditions. In locations with higher humidity levels, it will feel even hotter.

    Highs are expected in the triple digits with some locations not seeing the mercury go below 80 degrees, even at night. 

    Heat arriving early

    It may seem like the heat is arriving earlier than in years past, but for some, this is just a typical June. Phoenix and Palm Springs see daily average highs already in the low 100s this time of the year. But for Las Vegas, temperatures will be 15 degrees above average this week, peaking in the 110s.

    As for San Antonio, their average high during peak summer is only in the upper 90s, so temperatures surging into the low 100s any time of the year is abnormal.

    The heat dome looks to collapse by the weekend, bringing a reprieve from the extreme heat.

    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Meteorologist Stacy Lynn

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  • 10 times tropical systems devastated the U.S. in June

    10 times tropical systems devastated the U.S. in June

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    It’s the first official month of hurricane season.

    In June, most tropical systems only form into depressions or storms because we don’t have the right ingredients for stronger storms, such as warmer ocean water.

    Let’s look back at some of the top June systems.


    What You Need To Know

    • 120 tropical systems categorized as a tropical storm or higher have occurred in June since 1850
    • 87 of those tropical systems brought impacts to the U.S.
    • Only three major hurricanes have occurred in June

    The 2000s

    Tropical Storm Debby in 2012: An area of low pressure in the Gulf developed into Tropical Storm Debby on June 23. Curving northeast, Debby made landfall as a weak tropical storm near Steinhatchee, Florida.

    Extreme rainfall fell over Florida, with Curtis Mill receiving the most at 28.78 inches. The Sopchoppy River reached a record-high flood stage and flooded 400 structures in Wakulla County.

    River and creek flooding in Pasco and Clay Counties inundated around 700 homes. Central and South Florida saw damage from several tornadoes.

    In the end, Debby caused around $210 million in losses and 10 deaths.

    Rainfall from Debby caused massive flooding for areas like Live Oak, Fla. in 2012. (AP Photo/Dave Martin)

    Tropical Storm Allison in 2001: An interesting storm, Allison first made landfall as a tropical storm near Freeport, Texas, on June 5. It drifted northward but quickly made a U-turn and re-entered the Gulf of Mexico on June 10.

    After moving back into the Gulf, Allison tracked northeastward and made a second landfall in Louisiana on June 11, and continued northeast towards the Atlantic.

    Texas saw a major flood disaster when Allison stalled over the state, dumping over 35 inches of rain. The storm damaged over 65,000 homes and 95,000 vehicles. Allison killed 41 people, most died from drowning.

    Allison became the costliest and second-deadliest tropical storm on record in the United States, with around $8.5 billion in damage.

    The 1900s

    Tropical Storm Alberto in 1994: Initially forming near the western tip of Cuba on June 30, this storm tracked north, making landfall near Destin, Florida. It quickly weakened but stalled over Georgia and continued to stream in moisture across the Southeast.

    This storm triggered devastating flooding across Georgia, Alabama and Florida. Twenty-seven inches of rain fell in some locations.

    Thirty-three people died from flash flooding alone, and the storm damaged over 18,000 homes. Alberto also affected about 900,000 acres of crops and caused 218 dams to fail.

    There was a total of $1.03 billion in damage, and Alberto became one of the worst natural disasters in Georgia’s history.

    Hurricane Agnes in 1972: One of the worst hurricanes in history, killing 131 people, Agnes first made landfall as a Category 1 hurricane near Panama City, Florida, on June 19.

    It then moved northeastward towards the Carolinas before it moved into the Atlantic and then drifted towards New York City, where it made landfall as a tropical storm on June 22.

    Agnes caused a significant tornado outbreak in Florida and Georgia. There were 26 confirmed tornadoes, 24 of them in Florida. Agnes damaged or destroyed over 2,000 structures in Florida.

    The rest of the Southeast felt minor impacts, but once Agnes moved into the Northeast, it devastated Pennsylvania and New York.

    Pennsylvania experienced extreme flooding because of heavy rainfall. One area in Schuylkill County saw 18 inches of rain. Creeks and rivers ran out of their banks, and the damage from flooding left 220,000 people homeless.

    New York suffered similar damage. Flooding damaged or destroyed over 32,000 homes and 1,500 businesses.

    A large boat was tossed from the ocean in Cameron, La. when Hurricane Audrey ripped through in 1957. (AP Photo/Randy Taylor)

    Hurricane Audrey in 1957: The first major hurricane to make our list, Audrey made landfall as a Category 3 hurricane in southwestern Louisiana on June 27. The impacts were devastating.

    The storm surge inundated much of the Louisiana coast and killed much of the local wildlife. Heavy rainfall led to flooding.

    In Texas, strong winds caused $8 million in damage.

    The hurricane spawned many tornadoes inland, and people felt the effects of the storm as north as Canada, killing 15 people.

    It was the earliest major hurricane at the time and one of the deadliest, with over 400 people killed.

    The Gulf Coast Hurricane of 1916: The second major hurricane to make the list, this system first formed into a tropical storm on June 29 in the Caribbean Sea.

    It moved north, and once it reached the Gulf of Mexico, warm waters allowed this system to intensify into a Category 3 hurricane.

    It made landfall near Gulfport, Mississippi, on July 5, and winds caused about $3 million in damage. In Florida, it peeled roofs off houses, and chimneys and trees toppled. Heavy rainfall severely damaged crops in Florida, Alabama, Mississippi and Tennessee.

    Overall, this hurricane killed 34 people. The remnants from this storm would combine with another system in the Atlantic and cause massive flooding in North Carolina.

    A steamer sunk in Mobile Bay, Ala. when The Gulf Coast Hurricane of 1916 tore through. (NOAA/Steve Nicklas)

    The 1800s

    An unnamed tropical storm in 1899: Although it is unknown when this storm first formed, weather maps indicate a tropical storm in the northwestern Gulf on June 26.

    This storm made landfall on Galveston Island, Texas, on June 27 and caused major devastation, mainly because many people did not have ways of receiving warnings.

    This tropical storm flooded 12,000 square miles of land, and it left thousands of people homeless. It’s estimated that 284 people died in the storm.

    3 back-to-back-to-back hurricanes in 1886: The end of our list takes us to 1886 when three hurricanes devastated the South and Southeast.

    The first made landfall as a Category 2 hurricane near High Island, Texas on June 14. The hurricane damaged boats, waterfront structures and a railroad. Winds tore roofs from houses, and saltwater from the ocean impacted livestock.

    Areas in Louisiana even saw major crop damage and heavy rainfall, peaking at 21.4 inches.

    The second hurricane made landfall near St. Marks, Florida as a Category 2 on June 21 after traveling from Cuba and the Yucatán Peninsula. Flooding happened across low-lying streets, and it pushed ships onshore. The most damage occurred near Apalachicola and Tallahassee.

    The third and final hurricane of the month (and this list) also developed in the Caribbean Sea, moved northward and made landfall near the same area as the second hurricane. It made landfall as a Category 2 hurricane near Indian Pass in Florida.

    Homes lost their roofs, buildings collapsed and several ships sunk. It destroyed crops in Florida and Georgia, and even areas in North Carolina and Virginia saw wind and flood damage.

    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Meteorologist Shelly Lindblade

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  • Planets on parade: Rare 6 planets line up in the sky

    Planets on parade: Rare 6 planets line up in the sky

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    2024 has gifted us with some spectacular celestial views from the total solar eclipse in April to the northern lights seen throughout most of the U.S. in May. June brings another astronomical phenomenon known as “planets on parade.” 


    What You Need To Know

    • Six planets will align on the morning of June 3
    • Planets lining up happens a couples times per year
    • Three of the six planets will rise just before 6 a.m. making them faint in the sunlight

    It’s nicknamed as such because several planets appear to form into a straight line in the early morning sky. However, Spectrum News Space Expert Anthony Leone says it’s all about perspective. “In reality (and out in space), they are not lined up. It only appears that way to us.”

    This ‘parade’ is unique because six planets, Mercury, Mars, Jupiter, Saturn, Uranus and Neptune, will align. He recommends waking up early and finding a location with minimal light pollution for optimal viewing. “Saturn is expected to rise from the east to southeast of the horizon at 2 a.m. ET on June 3.”

    And bring binoculars or a telescope. “With the naked eye, you can see planets Mercury, Mars, Jupiter and Saturn as stars. The more distant planets like Uranus and Neptune will need binoculars or a telescope to view.”

    Adding, “Free astronomy apps like ‘Sky Guide,’ ‘Planets’ and ‘SkyPortal’ are great at helping people see when and where the planets will rise.” 

    With three out of the six planets expected to rise just before 6 a.m., the sun may end up obscuring the view of the “parade.”

    As for how common is this event?

    “Believe it or not, planet alignments are not too rare, and they happen a couple of times each year. It just depends on how many planets will be in alignment for a parade,” explains Leone. 

    “The last time people saw most planets line up was this year’s total solar eclipse in April.” 

    And if the weather doesn’t permit you for the viewing in June, there will be another opportunity in August. “The next one will be Aug. 28 with Mercury, Mars, Jupiter, Saturn, Uranus and Neptune all aligning.”

    2025 will have three chances to witness planets on parades, Jan. 18, Feb. 28 and Aug. 29.

    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Meteorologist Stacy Lynn

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  • Severe weather could disrupt Memorial Day weekend travel

    Severe weather could disrupt Memorial Day weekend travel

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    If you’re traveling for Memorial Day weekend, the weather could affect your plans. Severe weather will develop across the central and southern Plains on Saturday before shifting east toward the mid-Mississippi and Ohio River Valley on Sunday.

    Dangerous and record-breaking heat is possible in South Texas, along the Gulf Coast to South Florida through Memorial Day.


    What You Need To Know

    • Severe weather is expected across the central U.S. on Saturday and Sunday
    • Parts of the southern U.S. could experience record-breaking heat
    • Wet weather and storms are expected across the eastern U.S. on Memorial Day

    Here’s what you need to know about the forecast this weekend.

    Saturday

    Severe weather is going to be the primary threat for holiday weekend travelers on Saturday. Storms will develop across the central and southern Plains on Saturday afternoon and evening capable of producing all types of severe weather.

    Oklahoma, Kansas and western Missouri will see the highest threat for severe weather, including several strong to violent tornadoes, extreme hail, damaging winds and heavy rainfall Saturday afternoon into the overnight hours.

    Scattered showers are possible across parts of the interior Northeast and Mid-Atlantic late Saturday.

    The Gulf Coast states, from South Texas to South Florida will experience summerlike heat with the potential for record highs. Heat impacts will likely be highest in South Texas, where heat index values will exceed 115 degrees through Memorial Day.

    The western U.S. will be cool to kick off the weekend, as highs stay 5 to 15 degrees below normal.

    Sunday

    The same complex of storms from the Plains on Saturday will shift east, bringing the highest severe threat across parts of the mid-Mississippi and Ohio River Valley on Sunday into Sunday night.

    Once again, it looks likely that storms will be capable of producing strong tornadoes, large hail, damaging winds and flash flooding. The highest threat will be for parts of eastern Missouri, Illinois, Indiana and western Kentucky.

    Other areas that will see rain and storms include Wisconsin and Ohio. A weak front could bring some scattered showers to parts of the upper Northeast and New England on Sunday morning, but it will dry out early.

    Dangerous heat remains in place across the southern states on Sunday. Heat index values will be highest in South Texas again as actual air temperatures climb into the upper 90s and even the triple digits. Overnight temperatures won’t cool off much with record warm lows, so little to no relief is expected to those without reliable cooling.

    Western parts of the country will warm up slightly as temperatures climb back near normal for late May while the East Coast remains around 10 degrees above normal, topping out in the upper 80s to low 90s.

    Monday

    Wet weather will spread east on Memorial Day, bringing widespread shower and storm chances to parts of the eastern U.S., including the Northeast, New England and Mid-Atlantic.

    Memorial Day will kick off with showers, likely across the Ohio River Valley and Mid-Atlantic. As the system moves northeastward, rain and storms will fill into the Northeast through the morning and New England through the afternoon.

    Temperatures will also be rain-cooled for these areas, so it will feel more seasonable around the Great Lakes. A few scattered showers and storms are possible in the southeast, too.

    The western U.S. also warms back up a few degrees above normal, and Texas and Florida continue to feel the summerlike heat with record highs possible and heat index values climbing well into the triple digits.

    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Spectrum News Weather Staff

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  • Atlantic hurricane season begins on June 1

    Atlantic hurricane season begins on June 1

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    The Atlantic hurricane season begins on Saturday, June 1. 

    NOAA just released its 2024 hurricane season outlook, and is forecasting above normal activity this year.

    What do these forecasts mean for people living in hurricane-prone areas? What are the ingredients for an active hurricane season? What can you do to prepare?

    Spectrum News Meteorologists’ Kyle Hanson, Thomas Meiners, Blake Matthews, Reid Lybarger and Stacy Lynn will answer your questions about NOAA’s forecast and what you can expect this hurricane season at 2 p.m. on Thursday, May 23.

    Be sure to include your name and location when you ask a question below.

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    Spectrum News Weather Staff

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  • NOAA releases its 2024 Atlantic hurricane season outlook

    NOAA releases its 2024 Atlantic hurricane season outlook

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    The 2024 Atlantic hurricane season begins on Saturday, June 1, and NOAA just released its annual outlook. NOAA predicts above normal activity across the Atlantic basin this year.


    What You Need To Know

    • NOAA predicts above normal activity this hurricane season
    • Atlantic sea surface temperatures are experiencing record warmth
    • La Niña conditions are expected during the peak of hurricane season

    NOAA’s outlook predicts an 85% chance of an above normal season, a 10% chance of a near normal season and a 5% chance of a below normal season. 

    NOAA forecasts a likely range of 17 to 25 named storms, of which 8 to 13 could become hurricanes, including 4 to 7 major hurricanes, which are a Category 3 or higher on the Saffir-Simpson Hurricane Wind Scale.

    NOAA provides these ranges with a 70% confidence.

    “This is the highest number of named storms NOAA has ever issued in its May forecast,” says Dr. Rick Spinrad, Ph.D., administrator, NOAA.

    Remember, predictions of the season’s activity are not predictions of exactly how many storms will make landfall in a particular place. Individual storms make impacts, regardless of how active (or not) a season is. Coastal residents should do what they can to make sure they’re prepared every year.

    As a reminder, this season has brought some new changes and a new list of names.

    You can learn more about 2024’s list of names here.

    Researchers look at a variety of factors to make their prediction.

    Current El Niño conditions are forecast to transition to La Niña conditions later this summer or fall, leading to more favorable conditions for tropical development.

    La Niña conditions typically favor more hurricane activity in the Atlantic because of weaker vertical wind shear and more instability across the main development region. 

    Sea surface temperatures are also running well above normal in the Gulf of Mexico and the tropical Atlantic, including the main development region. Some areas are experiencing record warmth.

    Warm ocean water helps fuel tropical systems, and combined with the effects of La Niña, it is expected to be an active Atlantic hurricane season.

    Here is the latest tropical update for the next 48 hours. 


    Learn More About Hurricanes


    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Spectrum News Weather Staff

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  • NOAA releases its 2024 Atlantic hurricane season outlook

    NOAA releases its 2024 Atlantic hurricane season outlook

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    The 2024 Atlantic hurricane season begins on Saturday, June 1, and NOAA just released its annual outlook. NOAA predicts above normal activity across the Atlantic basin this year.


    What You Need To Know

    • NOAA predicts above normal activity this hurricane season
    • Atlantic sea surface temperatures are experiencing record warmth
    • La Niña conditions are expected during the peak of hurricane season

    NOAA’s outlook predicts an 85% chance of an above normal season, a 10% chance of a near normal season and a 5% chance of a below normal season. 

    NOAA forecasts a likely range of 17 to 25 named storms, of which 8 to 13 could become hurricanes, including 4 to 7 major hurricanes, which are a Category 3 or higher on the Saffir-Simpson Hurricane Wind Scale.

    NOAA provides these ranges with a 70% confidence.

    “This is the highest number of named storms NOAA has ever issued in its May forecast,” says Dr. Rick Spinrad, Ph.D., administrator, NOAA.

    Remember, predictions of the season’s activity are not predictions of exactly how many storms will make landfall in a particular place. Individual storms make impacts, regardless of how active (or not) a season is. Coastal residents should do what they can to make sure they’re prepared every year.

    As a reminder, this season has brought some new changes and a new list of names.

    You can learn more about 2024’s list of names here.

    Researchers look at a variety of factors to make their prediction.

    Current El Niño conditions are forecast to transition to La Niña conditions later this summer or fall, leading to more favorable conditions for tropical development.

    La Niña conditions typically favor more hurricane activity in the Atlantic because of weaker vertical wind shear and more instability across the main development region. 

    Sea surface temperatures are also running well above normal in the Gulf of Mexico and the tropical Atlantic, including the main development region. Some areas are experiencing record warmth.

    Warm ocean water helps fuel tropical systems, and combined with the effects of La Niña, it is expected to be an active Atlantic hurricane season.

    Here is the latest tropical update for the next 48 hours. 


    Learn More About Hurricanes


    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Spectrum News Weather Staff

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  • Tornadoes by the numbers, is 2024 seeing more twisters?

    Tornadoes by the numbers, is 2024 seeing more twisters?

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    Springtime tornadoes are nothing new for residents of the Midwest, Plains and even the South. It’s common, most cities and towns have tornado sirens and school children perform tornado drills, but is the U.S. seeing a higher number of tornadoes this year compared to the average?


    What You Need To Know

    • April 26 through May 9 was a particularly dangerous stretch of weather, producing hundreds of tornado reports
    • The number of tornado reports does not equate to the number of tornadoes
    • Thunderstorms that are capable of producing tornadoes are not as prevalent during the summer months

    In recent weeks, top stories have featured violent weather with tornadoes, damaging winds, large hail and flooding that injure people and infrastructures and even cause fatalities.

    April 26 through May 9 was an active period for severe weather. At least one tornado report was submitted to the Storm Prediction Center per day.

    Halfway through the month, the count stands at 234. How do these values compare to the average? Are we seeing more tornadoes than we used to, or is this just par for the course at this time of the year?

    Severe season

    Dr. Harold Brooks, Senior Research Scientist with NOAA/National Severe Storms Laboratory in Norman Oklahoma, says this is the time of the year when the greatest number of tornadoes is observed.

    Historically, May has produced the most violent twisters. Joplin, Missouri’s EF5 tornado occurred on May 22, 2011, and Moore, Oklahoma’s EF5, the last EF5 to touch down in the United States, happened on May 20, 2013.

    Above-average count

    The tornado archives began in 1950, with averages compiled from 1991 to 2020. According to the Storm Prediction Center, preliminary data from Jan. 1 – May 16, lists 806 counts of tornadoes from local storm reports for the year so far.

    Courtesy of NOAA Storm Prediction Center

    The SPC analyzed April, noting 384 preliminary tornado reports, more than double the 1991-2020 April average (182). This was the highest count on record, since April 2011 and is second only to that same year.  

    Overestimations of tornadoes

    Preliminary tornado reports are not the same as actual tornadoes.

    Warning Coordination Meteorologist at the Storm Prediction Center, Matthew Elliot explains,

    “In realtime, the National Weather Service collects what are called preliminary local storm reports. For tornadoes, these can be thought of as eyewitness reports of the tornado.” 

    Reports such as damage or video of a tornado are documented, showing the location of the damage and tornado. Each report will count as one tornado preliminary report.  

    However, he mentions that sometimes there may be multiple reports of the same tornado, especially longer-track ones, leading to overestimated tornado counts.

    “Some preliminary reports end up not being tornadic after a ground survey has been completed (could be wind) while others are surveyed and entered into the official database but never have a preliminary local storm report issued (rarer but does happen).”

    Ground surveys

    When information is relayed to the local National Weather Service offices about storm damage or tornadoes, NWS teams will complete a ground survey to verify these results, usually the following day. Meteorologist Alex Elmore with the National Weather Service in St. Louis explains the process of the storm survey teams.

    An NWS emergency official surveys damage from an EF-1 tornado on Thursday, April 6, 2023, in Louisville, Ky. (Spectrum News 1/Jonathon Gregg)

    “When storm damage occurs and we suspect it was possibly caused by a tornado or very strong straight-line winds, we will head first toward the location of the worst known damage,” he said.

    The max wind speed can be estimated based on damage indicators, including trees, houses, out buildings, and the degree of damage such as missing shingles, partial collapse of the building, tree uprooted, etc., according to Elmore.

    “If the damage was produced by a tornado, we assign it a rating on the Enhanced Fujita (EF) scale based on the wind speed,” he said.

    Sometimes the damage from a storm is not from a tornado but straight-line winds. Damage from straight-line winds will all be laying in the same direction, whereas tornado damage will comprise more circular damage.

    They continue this process across the swath of damage until no more damage can be found. He says surveys for a single track can take several hours or upwards of an entire day, depending on the path length and degree of damage.   

    This process can be lengthy and take several months. Once investigations have been completed, the SPC publishes the final count. “Historically, for every 100 preliminary tornado reports, at least 65 tornadoes are confirmed,” says the SPC.

    Less summer tornadoes

    Tornado counts usually peak from March to June and then taper into the summer. The reason is because of the jet stream.

    “One of the ingredients needed for thunderstorms to produce tornadoes is strong wind shear, and this is in part provided by the jet stream,” Elmore says.

    “During the summer, the jet stream shifts northward toward the U.S.-Canadian border, reducing the amount of wind shear we see locally during severe weather, which reduces the chance for tornadoes.”

    We may see more thunderstorms during the summer, but without wind shear, storms that become severe are more likely to produce hail and damaging winds.

    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Meteorologist Stacy Lynn

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  • Full flower moon peaks this week

    Full flower moon peaks this week

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    The flower moon will illuminate our skies this week.


    What You Need To Know

    • May’s full moon is the Flower Moon
    • Full moon will peak early Thursday
    • Unobstructed views of the horizon allow for best sightings

    May’s full moon is often called the Flower Moon. Native American names also have a spring flavor, including Budding Moon and Planting Moon.

    It is called the flower moon because of the abundance of flowers that emerge during the month across North America. 

    Last October, Martin Scorsese’s “Killers of the Flower Moon,” premiered. It was titled as such to attribute to the “Reign of Terror” in the Osage nation that began in May 1921.

    The full moon will come to full peak early Thursday morning but still provide optimal viewings for both Wednesday night and Thursday night. Be sure to find a place with unobstructed horizon views for the best sights.

    Cicada moon?

    Residents along the Midwest and South might refer to this year’s May full moon as the cicada moon, due to the emergence of billions of cicadas from two separate broods.

    A 13-year cicada peers over a ledge in Chapel Hill, N.C., Wednesday, May 11, 2011. (AP Photo/Gerry Broome)

    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Meteorologist Stacy Lynn

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  • Photo gallery: Northern lights seen around the U.S.

    Photo gallery: Northern lights seen around the U.S.

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    See pictures of the northern lights around the U.S.

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    Spectrum News Weather Staff

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  • Weather Explained: Storm surge

    Weather Explained: Storm surge

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    Storm surge is when a storm or hurricane causes ocean levels to rise, bringing flooding and destruction to life and property.

    Three factors can determine the severity of storm surge: coastal orientation, the slope of the continental and tides. 

    Watch the video above to learn how these three things affect storm surge and what you can do to keep you, your family and property safe. 

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    Spectrum News Weather Staff

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  • Northern lights could be visible across U.S. on Friday night

    Northern lights could be visible across U.S. on Friday night

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    A strong geomagnetic storm is impacting the Earth. 

    NOAA’s Space Weather Prediction Center has observed extreme (G5) geomagnetic conditions for the first time since Oct. 2003, meaning the northern lights, or aurora borealis, could be visible for much of the northern United States on Friday night and early Saturday morning.

    It may be visible low on the horizon further south, from Southern California east across the Southern U.S.


    What You Need To Know

    • The northern lights could be visible in the northern U.S. on Friday night
    • Extreme (G5) geomagnetic conditions have been observed for the first time since 2003
    • Further south, the northern lights may be visible on the horizon

    According to the Space Weather Prediction Center, several coronal mass ejections (CMEs) have reached Earth, leading to extreme geomagnetic activity. A CME is an eruption of solar material, and G5 conditions are very rare.

    Geomagnetic storming could continue through the weekend, with more CMEs on the way to Earth. Under clear skies, the northern lights should be visible across much of the northern U.S. on Friday night and early Saturday morning. Further south, they could be visible on the horizon.

    Tonight’s forecast

    Here is tonight’s forecast from the University of Alaska Fairbanks Geophysical Institute. The northern lights are likely to be visible on Friday night and early Saturday morning for areas shaded in green, and they could be visible on the horizon for areas shaded in yellow.

    To ensure the best chance at getting a look at the northern lights tonight, look toward the northern horizon. The best viewing conditions are under cloud-free skies and away from bigger cities with light pollution.

    If you see the northern lights tonight, be sure to submit your photos on the Spectrum News App!

    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Meteorologist Reid Lybarger

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  • Northern lights could be visible across U.S. on Friday night

    Northern lights could be visible across U.S. on Friday night

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    A strong geomagnetic storm is expected Friday night. NOAA’s Space Weather Prediction Center has issued a G4 (Severe) Geomagnetic Watch for the first time since 2005, meaning the northern lights, or aurora borealis, could be visible for much of the northern United States on Friday night and early Saturday morning.

    It may be visible low on the horizon further south, from Southern California east across the Southern U.S.


    What You Need To Know

    • The northern lights could be visible in the northern U.S. on Friday night
    • It’s the first G4 (Severe) Geomagnetic Watch issued since 2005
    • Further south, the northern lights may be visible on the horizon

    According to the Space Weather Predicition Center, several coronal mass ejections (CMEs) will likely reach Earth and lead to highly elevated geomagnetic activity. A CME is an eruption of solar material, and G4 watches are very rare.

    The CMEs are forecast to arrive at Earth late Friday, May 10, or early Saturday, May 11. Under clear skies, the northern lights should be visible across much of the northern U.S. Further south, they could be visible on the horizon.

    Tonight’s forecast

    Tonight’s forecasted “planetary K index” is an 8 out of 9, and the forecasted G-scale is a 4 out of 5. That indicates a severe geomagnetic storm, and a very active aurora.

    Here is tonight’s forecast from the University of Alaska Fairbanks Geophysical Institute. The northern lights are likely to be visible on Friday night and early Saturday morning for areas shaded in green, and they could be visible on the horizon for areas shaded in yellow.

    To ensure the best chance at getting a look at the northern lights tonight, look toward the northern horizon. The best viewing conditions are under cloud-free skies and away from bigger cities with light pollution.

    If you see the northern lights tonight, be sure to submit your photos on the Spectrum News App!

    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Meteorologist Reid Lybarger

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  • Weather Explained: Flood Watch vs. Flood Warning

    Weather Explained: Flood Watch vs. Flood Warning

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    The difference between a Flood Watch and a Flood Warning can become confusing. 

    But knowing the difference between the two could help save your life. It doesn’t take much water to sweep you off your feet or move your vehicle, so you should stay prepared.

    Watch the video above to learn the meaning behind the two alerts and what you should do when the National Weather Service issues one for your area.

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    Spectrum News Weather Staff

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  • It’s National Hurricane Preparedness Week

    It’s National Hurricane Preparedness Week

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    The 2024 Atlantic hurricane season is less than one month away, and the time to prepare is now. National Hurricane Preparedness Week began on May 5 and runs through May 11. 


    What You Need To Know

    • It is National Hurricane Preparedness Week
    • Atlantic hurricane season begins on June 1
    • It’s time to review your hurricane preparation plans

    How to prepare?

    Even if you are not in a storm’s path, there are ways to prepare in advance that will make it easier for you when the time comes. It’s important to know if you live in an evacuation zone, and if so, to develop an evacuation plan for you and your family.

    You can assemble a hurricane kit, including items like non-perishable food for your family and pets, water, flashlights, a first aid kit and more.

    Also, reviewing your insurance plans if you own a home and to sign up for flood insurance if it is a separate plan.

    Here is a full breakdown of how to prepare you and your family and what you can do today.

    This year’s forecast

    Colorado State University released its outlook for the 2024 Atlantic hurricane season in April, and their researchers are forecasting above normal activity this season. It’s the most activity ever forecasted in a preseason outlook since CSU began issuing them in 1995.

    This year’s forecast includes several factors, primarily record warm sea surface temperatures in the eastern and central Atlantic. Warm water acts as fuel for tropical systems.

    Global climate models and forecasters also suggest a transition to La Niña conditions by the peak of Atlantic hurricane season. According to CSU, “La Niña typically increases Atlantic hurricane activity through decreases in vertical wind shear.”

    As always, it only takes one storm to make it a bad season. Here is a full breakdown of this year’s Atlantic hurricane season forecast.

    Changes to the season

    The National Hurricane Center is introducing some fresh changes to the 2024 Atlantic hurricane season you can expect to see.

    Two new names are on the list this year after Florence and Michael were retired after the 2018 season. The new names replacing them will be Francine and Milton. Here is what to know about the 2024 Atlantic hurricane names.

    Along with the new names, the National Hurricane Center will experiment with some tweaks to the cone of uncertainty this season. Inland tropical watches and warnings will now be shown on an experimental map with the cone to better convey threats.

    Here is a full breakdown of the changes you can expect to see this hurricane season.


    Learn More About Hurricanes


    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Meteorologist Reid Lybarger

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  • Weather Explained: Earth Day

    Weather Explained: Earth Day

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    Earth Day marks the birth of the modern environment movement in 1970.

    It falls on the same calendar day each year, April 22.

    Its popularity has grown around the globe with more than 1 billion participants each year. Not only is Earth Day a day where people pick up trash around the world, but its ideas also led to policy changes within governments to push toward a cleaner environment.

    Watch the video above to see how Earth Day got its start.

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    Meteorologist Nick Merianos

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  • Here’s what to know about the 2024 Atlantic hurricane names

    Here’s what to know about the 2024 Atlantic hurricane names

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    The 2024 Atlantic hurricane season will follow up on a busy 2023 season. The 2023 season totaled 20 named storms, with 7 of those becoming hurricanes and 3 of those 7 becoming major (Category 3 or greater) hurricanes.

    Of those hurricanes, Hurricane Idalia was the only hurricane that made landfall in the U.S. last year. It was a Category 3 hurricane with max winds of 125 mph when it moved inland in Keaton Beach, Fla. on Aug. 30.

    The other two named storms that made landfall in U.S. were Harold and Ophelia. Tropical Storm Harold made landfall on Padre Island, Texas on Aug. 22 and Tropical Storm Ophelia made landfall near Emerald Isle, N.C. on Sept. 23.


    What You Need To Know

    • Forecasters started naming storms in 1950
    • The 2023 Atlantic tropical name list was last used in 2017
    • A supplemental names list replaced the Greek alphabet in 2021 if more than 21 storms are named

    With the expected return of La Niña conditions, forecasts for the upcoming season call for above-normal activity. Colorado State University’s outlook is forecasting the highest amount of storms since it began issuing them in 1995.

    Along with the likely transition to La Niña conditions, record-warm tropical and eastern Atlantic sea surface temperatures are a primary factor in the 2024 outlook. Click here for a breakdown of the 2024 Hurricane Season outlook.

    How and when are storms named?

    A storm gets named when it achieves tropical storm status (winds of 39 mph or higher). It becomes a hurricane when winds reach 74 mph, but keeps the same name. In meteorology, any tropical storm or greater is referred to as a tropical cyclone.

    The World Meteorological Organization (WMO) creates lists of names and cycles each list every six years. Each list contains 21 names, alternating between male and female names. A name may be retired if it is deemed too destructive by the WMO and they would add a new name to the list.

    History of naming conventions

    According to the National Oceanic and Atmospheric Administration (NOAA), hundreds of years ago, tropical cyclones were named after Saint’s Day, which occurred nearest to the day of the storm. Consider, “Hurricane Santa Ana,” a violent storm that hit Puerto Rico on July 26, 1825.

    Before 1950, storms were noted by their latitude and longitude. This proved problematic when trying to relay information to the public. It was confusing, so meteorologists streamlined this process using the phonetic alphabet to name the storms (Able, Baker, Charlie, etc.). 

    Starting in 1953, storms were given female names. Rumor has it that a member of the committee was angry at his wife and wanted to name a storm after her. 

    Whether that’s true, Alice was the first named storm of the 1953 season. All-female names continued until 1979, when male names were added to alternate within the list.

    Greek names

    Prior to 2021, after the 21 names were exhausted, the Greek alphabet was used. 2005 and 2020 were the only two seasons to feature the Greek alphabet. 

    However, this proved difficult for several reasons, including what would happen after a storm was so destructive the name should be retired, as was the case for Eta and Iota in 2020. Additionally, coronavirus variants use Greek letters, adding to possible confusion.

    Supplemental list

    To account for these issues, the WMO created a supplemental names list. This list featured another 21 names from A to W that alternate male and female names. This list will remain the same each year, only swapping out a name if it is retired. 

    Hurricane preparedness kit

    Now is the time to reevaluate your hurricane preparedness kit. According to the Federal Emergency Management Agency, your kit should include, at a minimum: 

    • Water: one gallon per person, per day (3-day supply for evacuation, 2-week supply for home).
    • Food: non-perishable, easy-to-prepare items (3-day supply for evacuation, 2-week supply for home).
    • Flashlight.
    • Battery-powered or hand-crank radio (NOAA Weather Radio, if possible).
    •  Extra batteries.
    • First aid kit.
    • Medications (7-day supply) and medical items.
    • Multi-purpose tool, like a Swiss Army knife. 
    • Sanitation and personal hygiene items.
    • Copies of personal documents (medication list and pertinent medical information, proof of address, deed/lease to home, passports, birth certificates, insurance policies).
    • Cellphone with charger.
    • Family and emergency contact information.
    • Extra cash (ATMs might be inoperable).
    • Extra fuel for generator and car.

    Depending on your family’s requirements, you may need to include medical care items, baby supplies, pet supplies, and other things, such as extra car and house keys.

    Additional supplies might include towels, plastic sheeting, duct tape, scissors, and work gloves.

    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Meteorologist Stacy Lynn

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  • Colder air grips the country after a warm start to March

    Colder air grips the country after a warm start to March

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    It’s been a mild start to March across the Eastern U.S., but colder air has moved in and we will see more cooldowns and temperatures swings in the upcoming week.


    What You Need To Know

    • Temperatures have been above normal so far this March east of the Rockies
    • Colder air is moving in behind a cold front
    • An active pattern will bring more precipitation and cold opportunities this month

    A cold front pushing across the country has dropped high temperatures up to 10 to 20 degrees below normal for parts of the Midwest and Ohio Valley on Monday.

    Further south, sub-freezing temperatures in the forecast for tonight have led to Freeze Warnings being issued across the Deep South, stretching from Texas to North Carolina.

    Colder air and below normal temperatures follow the cold front to Florida and the Deep South on Tuesday as temperatures rebound quickly across the Central U.S.

    An active storm pattern will keep temperature swings in the forecast across the country through the week, with more cold blasts and wintry weather opportunities in the Great Lakes and Northeast through midweek and again this weekend.

    March so far

    Most places east of the Rockies are running warm this month. Average temperatures are well above normal through March 17, with areas across the Midwest, Ohio Valley and Northeast feeling a top-10 warmest March on record so far.

    (Iowa Environmental Mesonet)

    Meanwhile, the western U.S. has been running cool with below normal temperatures. With the exception of the Northeast and Florida, it is probable that the rest of the U.S. will close out the month with temperatures around or below normal. 

    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Spectrum News Weather Staff

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  • Spring training offers a warm break for teams and fans

    Spring training offers a warm break for teams and fans

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    When birds migrate north in the spring, baseball players and fans migrate south to Florida and Arizona every March for spring training.

    Not only is spring training an opportunity for MLB teams to get some practice in before a long season, but for fans to escape the cold weather and enjoy some warmth, sunshine and baseball in warmer climates. 


    What You Need To Know

    • Florida and Arizona host 15 MLB teams each every year for spring training
    • Spring training games are unofficial, and gives fans a chance to see their team play in warmer climates
    • Florida and Arizona are both warm in March, but differ in precipitation and humidity

    Since the late 1800s, MLB teams have sent their players and coaches south to train and practice in a warmer climate to prepare for the season.

    Since 2018, MLB has split the league with 15 teams training in Florida and the other 15 in Arizona. The reason for those two locations is pretty straight-forward: the weather. 

    Florida Grapefruit League

    MLB spreads out most of the teams that train in Florida along the Gulf Coast, with a few teams in south Florida. Average high temperatures in south and central Florida during March hover around the upper 70s and lower 80s. 

    The Toronto Blue Jays and Minnesota Twins play in the two coldest spots as far as March temperatures go, averaging high temperatures in the lower 40s.

    Not only do the players and fans get to escape the cold, but Toronto and Minneapolis average around 8 inches of snowfall during March.

    Minnesota Twins’ spring home, Fort Myers, has an average high temperature in March almost 40 degrees warmer than Minneapolis, and hasn’t even had a low temperature below 40 degrees in March since 2013. 

    Along with the Twins, the Blue Jays, Red Sox and Tigers all get about a 35 degree temperature increase after traveling south during a typical March day.

    The Marlins actually get to travel more than 80 miles north to Jupiter from Miami, and get a break from the heat, with average temperatures about 3 degrees lower. 

    How about the rest of the list? Besides the Astros, Rays and Marlins, the temperature difference is pretty significant and worthy of a trip to Florida for Spring Break. 

    Arizona Cactus League

    In the Cactus League, all 15 teams play and train in the Phoenix metropolitan area. The average high temperature in March for the Phoenix area is a balmy 78.1 degrees.

    Since the Cactus League is more centralized with no two teams more than a 45 minute drive apart, average temperatures are all within a few degrees of each other.

    The biggest difference from the Grapefruit League? The desert offers much lower humidity and less rainfall. 

    Midwest teams from the NL and AL Central Divisions have the biggest disparity when it comes to Arizona temperatures, getting about a 30 degree increase during the month of March.

    The Colorado Rockies escape Denver’s snowiest month of the year on average to play in sunny Scottsdale. 

    Similar to the Marlins, the Arizona Diamondbacks who play in downtown Phoenix, get to travel 20 minutes into Scottdale, where the average March high temperatures is only a few degrees lower.

    Beach or Desert?

    So, if you’re a neutral fan in a cold weather state and want to take in some baseball on Spring Break, do you go to Florida or Arizona?

    Florida teams are more spread out requiring longer drives, and you’ll have to deal with more humidity and higher rain chances. The Cactus league is much more centralized, and it’s a dry heat, but besides baseball, Phoenix may have less to offer for tourist opportunities when you’re not at a game.

    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Meteorologist Reid Lybarger

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  • A short history of daylight saving time

    A short history of daylight saving time

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    Twice a year, most of the U.S. adjusts to time moving forward in the spring and back again in the fall. But where did the crazy idea of “shifting time” come from?


    What You Need To Know

    • Daylight saving was first put to use during World War I
    • The U.S. was once in daylight saving time for over three years during World War II
    • Some want to go to daylight saving time year-round

    Benjamin Franklin gets some credit for the idea of daylight saving time, though his recommendation was a joke.

    In a letter to the editor of the “Journal of Paris,” Franklin jokingly recommended the people get out of bed earlier in the morning to minimize the use of candles and lamp oil. He never mentioned setting clocks back or forth.

    (Erica Roman)

    In 1895, George Hudson, an entomologist from New Zealand, came up with the modern concept of daylight saving time. He proposed a two-hour time shift so he could have more after-work hours of sunshine to go bug hunting in the summer.

    Hudson suggested moving clocks ahead two hours in October and then a two-hour shift back in March.

    In 1905, William Willett, a British builder, suggested moving clocks ahead 20 minutes every Sunday in April and then setting them back every Sunday in September. That’s eight time changes every year!

    First use of daylight saving time

    It was during World War I that daylight saving time was first practically used.

    In 1916, locations within the German Empire set clocks ahead one hour to use less power for lighting and to save fuel for the war effort.

    Many other countries soon followed and after the war ended, they all went back to standard time.

    Daylight saving time in the U.S.

    In the United States, daylight saving time was first used in 1918, when a bill introduced the idea of a seasonal time shift. It lasted seven months before the bill was repealed.

    During World War II, President Franklin Roosevelt re-established the idea of daylight saving time. It was called “War Time.”

    War Time began in Feb. 1942 and lasted until the end of Sept. 1945.

    In 1966, the Uniform Time Act of 1966 established the idea of regulating a yearly time change. Daylight saving time would begin the last Sunday in April and end the last Sunday in October.

    (Pexels)

    During the 1973 oil embargo, the United States Congress ordered a year-round period of daylight saving time to save energy. The period ran from Jan. 1974 to April 1975. The plan did little to save energy and lost popularity. In Oct. 1974, the U.S. switched back to standard time.

    From 1987 through 2006, daylight saving time started the first weekend in April, running through the last weekend in October.

    In 2007, the start and end of daylight saving time shifted again. That year, it began on the second Sunday in March and it ended on the first Sunday in November, which has been the case ever since.

    The future of daylight saving time

    In recent years, some have pushed to make daylight saving time last year-round. Several states have passed legislation to make this law.

    I guess “time” will tell if we see year-round daylight saving time in the future.

    (iStock)

    Our team of meteorologists dives deep into the science of weather and breaks down timely weather data and information. To view more weather and climate stories, check out our weather blogs section.

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    Chief Meteorologist Gary Stephenson

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