Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. 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.


Hover over or click station to get METAR and TAF (if available)	Wind Barbs, PIREPs, Radar, 10nm Range Rings, all sites except CWOP
346 FTUS46 KSEW 252320 TAFSEA TAF KSEA 252320Z 2600/2706 21013G23KT P6SM SCT035 BKN045 FM261100 21011G20KT P6SM SCT030 BKN045 FM261500 21013G22KT P6SM SCT025 BKN045 FM261800 22015G25KT P6SM SCT035 BKN050 FM270000 22013G23KT P6SM SCT045 BKN050=
345 FTUS46 KSEW 252320 TAFBFI TAF KBFI 252320Z 2600/2624 18009KT P6SM SCT045 OVC060 FM261200 18010G20KT P6SM SCT030 BKN045 FM261800 18013G25KT P6SM SCT035 BKN050=

349 FTUS46 KSEW 252320 TAFPAE TAF KPAE 252320Z 2600/2624 20010KT P6SM SCT030 FM260600 19011G18KT P6SM BKN050 FM261000 18012G20KT P6SM SCT025 BKN045 FM261700 18015G25KT P6SM BKN045=

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Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

Puget Sound Convergence Zone