National Weather Service United States Department of Commerce

Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.

Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. 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


943
FTUS46 KSEW 151514 AAB
TAFSEA
TAF AMD
KSEA 151514Z 1515/1618 01008KT 1/2SM FG VV001
FM151600 02007KT 1/2SM FG BKN003
FM151800 03006KT 6SM BR SCT007
FM152000 05007KT P6SM SCT250
FM160100 11008KT P6SM SCT250
FM161500 16005KT 6SM BR BKN250=
 
 

681
FTUS46 KSEW 151346 AAA
TAFBFI
TAF AMD
KBFI 151346Z 1514/1612 33004KT 6SM BR BKN004
FM151800 35003KT 6SM BR SCT010
FM152000 02005KT P6SM SCT250
FM160300 14003KT P6SM BKN250=
 
 
   

141
FTUS46 KSEW 151122
TAFPAE
TAF
KPAE 151122Z 1512/1612 36004KT 1/4SM FG VV001
FM151700 36004KT 6SM BR BKN008
FM151900 01006KT P6SM FEW015 SCT250
FM152100 03005KT P6SM SCT250
FM160300 11003KT P6SM BKN250
FM160900 09004KT 6SM BR FEW001 BKN250=