Seattle, Washington Local News
Multiple daily rainfall records set, showers expected to linger into Tuesday
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Moderate rainfall looks likely during morning commute hours north of Everett on Monday, according to the KING 5 Weather Team.
SEATTLE — A rare late-season atmospheric river has brought unusually wet weather to the end of the weekend and the start of the work week. Rain totals for the month of June usually hit around 1.5″ of rain for the entire month, and that will be surpassed in the first three days thanks to this atmospheric river event.
Sunday brought steady rain and accumulations in the 1-2″ range along the coast and .5-1.25″ range for the lowlands and 2-3″ for the mountains. Significant, widespread rain fell overnight. The front moved through between 3:30-5:30 a.m. accompanied by heavy rain and winds gusting 35-45 mph in the windiest spots causing numerous downed limbs and trees causing power outages.
Behind the front we are seeing off and on showers and breezy winds gusting mainly 25-35 mph with a few sunbreaks mixed in. This should continue through the day.
Rain totals (Sunday-Tuesday) will depend strongly on where you are. The lowlands may pick up 1 to 2 inches of rain through Tuesday, while the mountains may see 2 to 5 inches of rain. The coast could see 3-4 inches. Snow levels will be above 6,000 feet, which means most of the precipitation will fall as rain.
Due to excessive rainfall, the NWS issued a Flood Watch for King, Snohomish, Skagit, Mason, and Pierce counties Sunday morning through Wednesday morning. Heavy rain could lead to minor flooding of rivers, streams, creeks, and low-lying/flood-prone areas.
A much weaker front moves in Monday night into Tuesday. This system should only give us 0 .25-0.5” in the lowlands and maximum wind gusts of 15-25 mph. These winds should be less impactful following the trimming done by this morning’s winds. Also the pause in the steady rainfall will allow many areas to drain last night’s rain so it should have less of an effect on rivers and streams.
By later Tuesday, a large area of high pressure will begin building along the west coast by midweek. This will put western Washington into a sunny and warming pattern beginning Wednesday with highs by the weekend pushing well into the 70s – possibly some 80s.
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