Precipitation in the Pacific Northwest into the Northern Rockies; Bering Sea Storm in Alaska

A Pacific storm will bring rain and high elevation snow from the Pacific Northwest into the Northern Rockies. A series of storms are expected to move through the Bering Sea bringing strong winds, heavy precipitation, and elevated water levels from the West Coast to northern Alaska. 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
806 FTUS46 KSEW 280520 TAFSEA TAF KSEA 280520Z 2806/2912 20011G20KT P6SM -RA BKN025 OVC035 FM281200 20010G18KT P6SM VCSH BKN020 OVC035 FM282100 20010KT P6SM VCSH BKN040 FM290600 18006KT P6SM VCSH OVC045=
809 FTUS46 KSEW 280520 TAFBFI TAF KBFI 280520Z 2806/2906 17010G18KT P6SM -RA SCT025 OVC035 FM281200 16008G16KT P6SM VCSH OVC030 FM282100 18008KT P6SM VCSH OVC035 FM290500 18005KT P6SM VCSH OVC045=

819 FTUS46 KSEW 280520 TAFPAE TAF KPAE 280520Z 2806/2906 18010G20KT P6SM -RA BKN025 OVC050 FM281500 17008KT P6SM VCSH OVC035 FM290000 20006KT P6SM VCSH BKN045 FM290500 17008KT P6SM VCSH SCT030 OVC040=

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Precipitation in the Pacific Northwest into the Northern Rockies; Bering Sea Storm in Alaska

Puget Sound Convergence Zone