Storm System to Move Across the Ohio Valley to the Mid-Atlantic and Northeast

Isolated severe thunderstorms will be possible on Veterans Day across parts of the lower Ohio and western Tennessee Valleys. A developing storm will bring rain and gusty winds to the Mid-Atlantic and Northeast on Thursday, with the first accumulating snow likely in the higher elevations of the central Appalachians and interior Northeast. Read More >

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 .


Hover over or click station to get METAR and TAF (if available)	Wind Barbs, PIREPs, Radar, 10nm Range Rings, all sites except CWOP
596 FTUS46 KSEW 112320 TAFSEA TAF KSEA 112320Z 1200/1306 16007KT P6SM FEW050 SCT120 OVC200 FM121200 14005KT P6SM VCFG SCT030 BKN200 FM121900 17008KT P6SM SCT120 BKN200=
603 FTUS46 KSEW 112320 TAFBFI TAF KBFI 112320Z 1200/1224 17006KT P6SM SCT080 OVC200 FM120600 14005KT P6SM BKN120 BKN200 FM121200 VRB04KT P6SM VCFG SCT030 BKN200 FM121900 15006KT P6SM SCT120 BKN200=

925 FTUS46 KSEW 112320 TAFPAE TAF KPAE 112320Z 1200/1224 16012KT P6SM BKN100 OVC200 FM120600 14007KT P6SM BKN050 OVC120=

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Storm System to Move Across the Ohio Valley to the Mid-Atlantic and Northeast

Puget Sound Convergence Zone