National Weather Service United States Department of Commerce

Winter Hazards Across the North; Heavy Rainfall Across the Gulf Coast; Severe Weather Outlook

Moisture across the northern Plains, upper Great Lakes into northern New England will likely bring a period of snow, sleet and freezing rain through this weekend. Meanwhile, heavy rainfall continues along the Gulf Coast with areas of flooding. Fire weather conditions continue for the areas of the Plains, southern Appalachians into portions of Florida. Severe thunderstorm potential increasing. 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.





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


824
FTUS46 KSEW 291128
TAFSEA
TAF
KSEA 291128Z 2912/3018 16008KT P6SM SCT025 BKN040
FM291400 18008KT P6SM -SHRA FEW015 BKN025 OVC040
FM291800 21006KT P6SM SCT030 BKN050
FM300600 06006KT P6SM BKN250=
 
 

825
FTUS46 KSEW 291128
TAFBFI
TAF
KBFI 291128Z 2912/3012 17008KT P6SM SCT025 BKN040
FM291400 17008KT P6SM -SHRA FEW015 BKN025 OVC040
FM292100 19006KT P6SM SCT035 BKN050
FM300600 VRB02KT P6SM BKN250=
 
 
   

822
FTUS46 KSEW 291128
TAFPAE
TAF
KPAE 291128Z 2912/3012 16010KT P6SM BKN040
FM291400 16008KT P6SM -SHRA FEW015 BKN025 OVC040
FM291800 19006KT P6SM SCT030 BKN050
FM300300 01006KT P6SM BKN250=