A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. 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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260 FTUS46 KSEW 171120 TAFSEA TAF KSEA 171120Z 1712/1818 17006KT P6SM SCT025 BKN050 FM171800 33004KT P6SM SCT030 BKN050 FM172200 32007KT P6SM BKN100 FM180300 02006KT P6SM BKN200 FM180900 03003KT P6SM BKN150= |
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259 FTUS46 KSEW 171120 TAFBFI TAF KBFI 171120Z 1712/1812 16005KT P6SM SCT025 BKN035 FM171700 34002KT P6SM SCT040 BKN060 FM172100 32005KT P6SM BKN100 FM180300 VRB03KT P6SM BKN250 FM180900 00000KT P6SM BKN150= |
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111 FTUS46 KSEW 171335 AAA TAFPAE TAF AMD KPAE 171335Z 1714/1812 VRB03KT P6SM BKN045 FM171800 30005KT P6SM SCT030 BKN050 FM180000 32006KT P6SM SCT050 BKN250 FM180300 VRB03KT P6SM SCT250 FM180900 00000KT P6SM BKN150= |
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