A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >
Seattle, WA
Center Weather Service Unit
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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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644 FTUS46 KSEW 210309 AAA TAFSEA TAF AMD KSEA 210309Z 2103/2206 33006KT P6SM FEW035 BKN250 FM210600 02006KT P6SM SCT250 FM211800 34005KT P6SM SCT250 FM212100 31008KT P6SM SCT250 FM220300 34005KT P6SM SCT250= |
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803 FTUS46 KSEW 202320 TAFBFI TAF KBFI 202320Z 2100/2124 32007KT P6SM SCT250 FM210300 VRB03KT P6SM SCT250 FM211800 31007KT P6SM BKN250= |
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815 FTUS46 KSEW 202320 TAFPAE TAF KPAE 202320Z 2100/2124 35007KT P6SM SCT030 BKN250 FM210200 36004KT P6SM SCT250 FM211800 33006KT P6SM BKN250= |
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US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Seattle, WA
3101 Auburn Way South
Auburn, WA 98092
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