National Weather Service United States Department of Commerce

Record Warmth Lingers; Fire Weather Concerns; Unsettled Pacific Northwest

More record warm temperatures are forecast this week from California, Southwest, Plains then into the Mississippi Valley and Southeast. The warmth combining with dry conditions may result in elevated to locally critical fire weather conditions. Meanwhile, another Pacific system will move across the Pacific Northwest with lower elevation rain and mountain snows. For Hawaii, conditions improving. 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


922
FTUS46 KSEW 221735
TAFSEA
TAF
KSEA 221735Z 2218/2324 23005KT P6SM BKN025 BKN100
FM222000 26005KT P6SM SCT050
FM222100 31010KT P6SM SCT250
FM230300 35007KT P6SM SCT050 BKN250
FM230900 01004KT P6SM SCT050 BKN250
FM231500 04005KT P6SM SCT050 BKN250=
 
 

923
FTUS46 KSEW 221735
TAFBFI
TAF
KBFI 221735Z 2218/2318 31005KT P6SM BKN028 BKN100
FM222000 25004KT P6SM SCT060
FM222100 29007KT P6SM SCT250
FM230300 35006KT P6SM SCT050 BKN250
FM230900 01004KT P6SM SCT050 BKN250
FM231500 05004KT P6SM SCT050 BKN250=
 
 
   

006
FTUS46 KSEW 221735
TAFPAE
TAF
KPAE 221735Z 2218/2318 16007KT P6SM BKN020 BKN100
FM222000 31004KT P6SM OVC030
FM230100 34007KT P6SM SCT250
FM230900 34004KT P6SM SCT050 BKN250=