Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. 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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724 FTUS46 KSEW 210520 TAFSEA TAF KSEA 210520Z 2106/2212 01006KT P6SM BKN250 FM210900 VRB03KT 5SM BR VCFG FEW001 FEW200 FM211400 03003KT 1/4SM FG OVC002 FM211700 07002KT 3SM BR VCFG SCT001 FM212000 36003KT P6SM SCT150 FM220300 03003KT P6SM FEW150= |
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748 FTUS46 KSEW 210520 TAFBFI TAF KBFI 210520Z 2106/2206 35005KT P6SM BKN250 FM210900 02003KT 1/2SM FG BKN003 FM211400 36003KT 1/4SM FG OVC001 FM211700 VRB03KT 3SM BR VCFG SCT001 FM212000 35003KT P6SM SCT150= |
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744 FTUS46 KSEW 210520 TAFPAE TAF KPAE 210520Z 2106/2206 01007KT P6SM SKC FM210900 35003KT 1/4SM FG OVC002 FM211600 VRB03KT 3SM BR VCFG BKN001 FM211800 34003KT 3SM BR VCFG SCT001 FM212000 33005KT P6SM SCT150= |
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