Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. 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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752 FTUS46 KSEW 170520 TAFSEA TAF KSEA 170520Z 1706/1812 02010KT P6SM SCT040 FM171000 VRB05KT P6SM SCT040 FM171800 24006KT P6SM FEW040 FM172100 33008KT P6SM SCT250 FM180000 36010KT P6SM SCT250= |
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760 FTUS46 KSEW 170520 TAFBFI TAF KBFI 170520Z 1706/1806 VRB04KT P6SM SCT050 FM171200 VRB03KT P6SM SCT040 FM171800 31008KT P6SM SCT050 SCT250 FM180300 VRB04KT P6SM FEW250= |
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788 FTUS46 KSEW 170520 TAFPAE TAF KPAE 170520Z 1706/1806 01008G18KT P6SM FEW050 FM170900 VRB03KT P6SM SCT050 FM171800 32008KT P6SM SCT050 FM180000 34006KT P6SM SKC= |
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