An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. 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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978 FTUS46 KSEW 181129 TAFSEA TAF KSEA 181129Z 1812/1918 35004KT P6SM SCT250 FM181500 36008KT P6SM FEW025 FEW250 FM181800 35010G18KT P6SM FEW250 FM190500 04009KT P6SM FEW250 FM190900 03005KT P6SM FEW250= |
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981 FTUS46 KSEW 181129 TAFBFI TAF KBFI 181129Z 1812/1912 VRB02KT P6SM SKC FM181500 33006KT P6SM FEW025 FEW250 FM181900 32010G17KT P6SM FEW250 FM190400 33003KT P6SM FEW250 FM190600 00000KT P6SM SKC= |
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982 FTUS46 KSEW 181129 TAFPAE TAF KPAE 181129Z 1812/1912 36003KT P6SM SKC FM181500 36005KT P6SM SCT025 FM182000 35008KT P6SM FEW250 FM190300 34005KT P6SM SKC FM190900 01004KT P6SM FEW250= |
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