National Weather Service United States Department of Commerce

October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. 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


658
FTUS46 KSEW 061121
TAFSEA
TAF
KSEA 061121Z 0612/0718 01005KT P6SM SCT005
FM061300 01005KT 2SM BR OVC002
FM061400 03003KT 1/2SM FG VV001
FM061900 01005KT 6SM BR SCT002
FM062100 36008KT P6SM SCT250
FM070900 02004KT 5SM BR BKN007=
 
 

659
FTUS46 KSEW 061121
TAFBFI
TAF
KBFI 061121Z 0612/0712 00000KT P6SM SCT005
FM061400 00000KT 4SM BR OVC005
FM061900 01003KT 6SM BR SCT007
FM062100 33006KT P6SM SCT250
FM070900 03003KT 6SM BR BKN009=
 
 
   

661
FTUS46 KSEW 061121
TAFPAE
TAF
KPAE 061121Z 0612/0712 36004KT 2SM BR OVC001
FM061800 32005KT 5SM BR BKN005
FM062000 35006KT P6SM SCT250
FM070800 35003KT 1/4SM FG BKN001=