National Weather Service United States Department of Commerce

Life-Threatening Flash Flooding in South Central Texas; Heat Continues from the Northern Plains to the Mid-Atlantic

Life-threatening and locally catastrophic flash and urban flooding is expected across portions of south-central Texas through early Friday, with significant river flooding and rapid rises on small streams, arroyos, and typically dry washes expected. A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek. 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


859
FTUS46 KSEW 151720
TAFSEA
TAF
KSEA 151720Z 1518/1624 25007KT P6SM SKC
FM152100 33007KT P6SM FEW250
FM160600 VRB04KT P6SM VCSH BKN150
FM161200 05005KT P6SM VCSH OVC100
FM161700 21005KT P6SM VCSH OVC040=
 
 

861
FTUS46 KSEW 151720
TAFBFI
TAF
KBFI 151720Z 1518/1618 29004KT P6SM SKC
FM152000 32006KT P6SM FEW250
FM160600 VRB02KT P6SM VCSH BKN150
FM161200 VRB04KT P6SM VCSH OVC080=
 
 
   

864
FTUS46 KSEW 151720
TAFPAE
TAF
KPAE 151720Z 1518/1618 33006KT P6SM FEW250
FM160600 VRB03KT P6SM BKN150
FM161200 35004KT P6SM VCSH OVC200=