National Weather Service United States Department of Commerce

Severe Thunderstorm and Flash Flood Threats Continue into the Weekend

Severe thunderstorms are expected from the southern Plains to the Midwest through Friday night. Severe storm hazards may include large hail, severe winds, and tornadoes, some of which may be strong. There will be another chance for severe thunderstorms on Saturday for portions of Texas, the Lower Mississippi Valley, and the Ohio Valley. Storms could result in locally heavy rain and flash flooding. 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 .





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Wind Barbs, PIREPs, Radar, 10nm Range Rings, all sites except CWOP


034
FTUS46 KSEW 062028 AAB
TAFSEA
TAF AMD
KSEA 062028Z 0620/0724 18010KT 6SM -RA BR FEW009 OVC015
FM070100 18009G18KT P6SM -SHRA OVC015
FM070900 20010G20KT P6SM VCSH OVC009
FM072000 22012G24KT P6SM OVC013=
 
 

086
FTUS46 KSEW 062028 AAB
TAFBFI
TAF AMD
KBFI 062028Z 0620/0718 21010KT 6SM -RA BR OVC015
FM070100 20012G24KT P6SM -SHRA OVC020
FM070800 20010G20KT P6SM OVC009=
 
 
   

776
FTUS46 KSEW 061721
TAFPAE
TAF
KPAE 061721Z 0618/0718 16011KT P6SM -RA OVC006
FM061900 20012G20KT 3SM -RA OVC007
FM062300 22010KT 5SM -SHRA SCT008 OVC015
FM070800 17009KT 6SM BR OVC007
FM071500 19009G18KT 5SM BR OVC004=