A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. 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. |
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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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836 FTUS46 KSEW 311402 AAA TAFSEA TAF AMD KSEA 311402Z 3114/0118 16004KT P6SM VCSH SCT030 BKN070 FM311500 17005KT P6SM -SHRA BKN030 OVC040 FM311800 17005KT P6SM SCT030 OVC040 FM312000 15005KT P6SM SCT070 BKN200 FM011200 15006KT P6SM -RA OVC050= |
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268 FTUS46 KSEW 311402 AAA TAFBFI TAF AMD KBFI 311402Z 3114/0112 VRB03KT P6SM VCSH BKN045 OVC080 FM311500 12005KT P6SM -SHRA BKN030 OVC040 FM312000 15005KT P6SM SCT070 BKN200 FM011100 16003KT P6SM -RA OVC050= |
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187 FTUS46 KSEW 311120 TAFPAE TAF KPAE 311120Z 3112/0112 14005KT P6SM OVC025 FM311500 14007KT 6SM -RA BR OVC015 FM312100 13008KT P6SM BKN035 OVC100 FM312300 14008KT P6SM BKN200 FM010900 14008KT P6SM VCSH OVC050= |
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