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
669 FTUS46 KSEW 010259 AAA TAFSEA TAF AMD KSEA 010259Z 0103/0206 36010KT P6SM SCT200 FM010500 02010KT P6SM BKN200 FM011200 02009KT P6SM FEW020 BKN035 FM011700 36007KT P6SM SCT250 FM020300 04004KT P6SM SCT250=
495 FTUS46 KSEW 282320 TAFBFI TAF KBFI 282320Z 0100/0124 33008KT P6SM FEW040 BKN200 FM010300 VRB03KT P6SM BKN200 FM011200 02004KT P6SM FEW020 BKN035 FM011700 02006KT P6SM SCT250=

500 FTUS46 KSEW 282320 TAFPAE TAF KPAE 282320Z 0100/0124 34009KT P6SM FEW040 BKN200 FM010300 34005KT P6SM BKN200 FM011300 36005KT P6SM BCFG FEW004 BKN025 FM011700 36005KT P6SM SCT250=

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

Puget Sound Convergence Zone