National Weather Service United States Department of Commerce

Bering Sea Storms in Alaska; Multi-Day Heavy Rain Event in the Southern Plains and Southwest

A series of Bering Sea storms will impact western Alaska this week, with elevated water levels, isolated coastal flooding, high surf, erosion, and strong winds. Heavy rain and snow are also expected along the West Coast into Interior Alaska. Showers and thunderstorms will produce a multi-day flash flooding threat across parts of the southern High Plains and Southwest through the weekend. Read More >

A Puget Sound Convergence Zone (PSCZ) forms when strong westerly winds flow around the Olympic Peninsula and converge over Puget Sound. It generally forms north of Seattle, and may move southward to as far as Boeing Field or SeaTac Airport. A PSCZ can cause a narrow band of convective precipitation along it, which can include rain showers, thunderstorms, or snowfall. Strong south to southwest winds are to the south of the PSCZ and north to northwest winds to the north. More model information for the winds around SeaTac can be found on the SeaTac Wind Page .





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Wind Barbs, PIREPs, Radar, 10nm Range Rings, all sites except CWOP


458
FTUS46 KSEW 290202 AAA
TAFSEA
TAF AMD
KSEA 290202Z 2902/3006 15009KT P6SM BKN060 BKN120
FM290600 18006KT P6SM VCSH OVC045
FM290900 14005KT P6SM VCSH OVC050
FM291200 16006KT P6SM SCT015 BKN025
FM291700 15006KT P6SM BKN050=
 
 

428
FTUS46 KSEW 290203 AAA
TAFBFI
TAF AMD
KBFI 290203Z 2902/2924 17010KT P6SM BKN060 BKN120
FM290500 18005KT P6SM VCSH OVC050
FM290900 15004KT P6SM VCSH OVC060
FM291200 16006KT P6SM SCT015 BKN025
FM291700 15006KT P6SM BKN050=
 
 
   

518
FTUS46 KSEW 290204 AAA
TAFPAE
TAF AMD
KPAE 290204Z 2902/2924 VRB05KT P6SM VCSH BKN045 BKN090
FM290500 17008KT P6SM VCSH SCT030 OVC040
FM290900 13007KT P6SM VCSH OVC015
FM292000 15007KT P6SM OVC050=