National Weather Service United States Department of Commerce

Dangerous Wind Chill in the North

A strong arctic front and associated gusty winds will produce bitter wind chills as cold as -50 or colder from the Upper Midwest to the Northeast. Chilly temperatures and gusty winds extend across the Mid-Atlantic. Lower elevation rain and mountain snow from a weak system in the west will be followed by a stronger system this weekend with heavy mountain snow. 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


000
FTUS46 KSEW 032320
TAFSEA
TAF
KSEA 032320Z 0400/0506 17015G30KT P6SM -RA OVC040
FM040400 19012G18KT P6SM -RA BKN020 OVC030
FM041000 16010KT P6SM -RA SCT010 OVC020
FM041700 16007KT P6SM VCSH SCT010 OVC020
FM042200 17008KT P6SM VCSH OVC020=
 
 

000
FTUS46 KSEW 032320
TAFBFI
TAF
KBFI 032320Z 0400/0424 15016G30KT P6SM -RA OVC045
FM040400 17016G24KT P6SM -RA BKN025 OVC035
FM041000 15008KT P6SM -RA SCT015 OVC025
FM041600 15005KT P6SM VCSH OVC020=
 
 
   

000
FTUS46 KSEW 032320
TAFPAE
TAF
KPAE 032320Z 0400/0424 18021G28KT P6SM -RA FEW020 OVC040
FM040400 17017G25KT P6SM -RA BKN020 OVC030
FM041000 15010KT P6SM -RA SCT010 OVC020
FM041600 16011KT P6SM -RA OVC020
FM042000 16009KT P6SM OVC015=