Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. 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
379 FTUS46 KSEW 180900 AAA TAFSEA TAF AMD KSEA 180900Z 1809/1912 03004KT P6SM BKN200 FM181800 30007KT P6SM BKN250 FM190200 01005KT P6SM SCT250 FM190600 04006KT P6SM FEW250=
504 FTUS46 KSEW 180520 TAFBFI TAF KBFI 180520Z 1806/1906 VRB02KT P6SM BKN200 FM181700 32005KT P6SM BKN200 FM182300 29005KT P6SM SCT250 FM190400 33002KT P6SM SCT250=

521 FTUS46 KSEW 180520 TAFPAE TAF KPAE 180520Z 1806/1906 VRB02KT P6SM BKN200 FM181900 VRB05KT P6SM BKN250 FM190400 VRB02KT P6SM SCT250=

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Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Puget Sound Convergence Zone