National Weather Service United States Department of Commerce

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this 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


497
FTUS46 KSEW 190300 AAA
TAFSEA
TAF AMD
KSEA 190300Z 1903/2006 02005KT P6SM SCT090 BKN120
FM191200 04006KT P6SM BKN150 BKN200
FM192000 34007KT P6SM SCT150 BKN200
FM200300 03006KT P6SM BKN200=
 
 

243
FTUS46 KSEW 182320
TAFBFI
TAF
KBFI 182320Z 1900/1924 VRB03KT P6SM FEW120 SCT200
FM190300 35003KT P6SM SCT200
FM190900 00000KT P6SM BKN150 BKN200
FM191800 34004KT P6SM BKN200=
 
 
   

255
FTUS46 KSEW 182320
TAFPAE
TAF
KPAE 182320Z 1900/1924 24007KT P6SM FEW110 SCT200
FM190300 04004KT P6SM SCT200
FM190900 04005KT P6SM BKN150 BKN200
FM191800 34006KT P6SM BKN200=