Critical Fire Weather Conditions in the Plains; Increasing Severe Weather Chances for the Plains and Upper Midwest

A strengthening storm system will bring impactful weather to the much of Central U.S. over the next couple of days, including heavy snow in the northern Rockies, Critical fire weather conditions for portions of the Plains, and increasing severe weather chances from the central/southern Plains to the Upper Midwest. 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
019 FTUS46 KSEW 230521 TAFSEA TAF KSEA 230521Z 2306/2412 21010KT P6SM FEW030 BKN035 FM231700 20008KT P6SM BKN040 FM232100 23007KT P6SM BKN050 FM240200 34007KT P6SM SCT050 FM240600 03006KT P6SM SKC=
958 FTUS46 KSEW 230521 TAFBFI TAF KBFI 230521Z 2306/2406 18008KT P6SM OVC040 FM231700 18006KT P6SM BKN045 FM232100 24005KT P6SM BKN050 FM240200 35004KT P6SM SCT050=

960 FTUS46 KSEW 230521 TAFPAE TAF KPAE 230521Z 2306/2406 19015KT P6SM OVC025 FM231000 18007KT P6SM OVC030 FM232000 23006KT P6SM BKN035 BKN040 FM232300 32006KT P6SM SCT050=

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Critical Fire Weather Conditions in the Plains; Increasing Severe Weather Chances for the Plains and Upper Midwest

Puget Sound Convergence Zone