Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >
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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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| Hover over or click station to get METAR and TAF (if available) |
Wind Barbs, PIREPs, Radar, 10nm Range Rings, all sites except CWOP |
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917 FTUS46 KSEW 131121 TAFSEA TAF KSEA 131121Z 1312/1418 20012G20KT P6SM -SHRA OVC015 FM131600 20013G20KT P6SM OVC020 FM132100 20013KT P6SM OVC040 FM140300 21012KT P6SM OVC035 FM140800 21009KT P6SM OVC015= |
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919 FTUS46 KSEW 131121 TAFBFI TAF KBFI 131121Z 1312/1412 18009KT P6SM OVC015 FM131700 18011G19KT P6SM OVC020 FM132200 20008KT P6SM OVC040 FM140400 19010KT P6SM OVC035= |
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916 FTUS46 KSEW 131121 TAFPAE TAF KPAE 131121Z 1312/1412 08004KT 2SM -RA BR OVC007 FM131700 18007KT P6SM OVC010 FM132100 22008KT P6SM OVC015 FM140300 05008KT P6SM OVC019= |
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