Enhanced Risk for Severe Thunderstorms Across the Upper Midwest; Flash Flooding Possible from the Upper Midwest to Southern Plains and Desert Southwest Through Friday

Portions of the Upper Midwest will see an increased threat for severe thunderstorms through this evening, with a few strong tornadoes possible. The same region remains on alert for additional flash flood concerns. Heavy rainfall may lead to flash flooding across the Desert Southwest today, and Southern Plains by Friday. Finally, Major-to-record river flooding continues across the Carolinas.
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Coastal Waters Forecast for Waters from Cascade Head to Florence OR from 10 to 60 nm (PZZ275) (Text-Only)
NWS Forecast for: Waters from Cascade Head to Florence OR from 10 to 60 nm (PZZ275)
Issued by: National Weather Service Portland, OR
Last Update: 839 AM PDT Thu Sep 20 2018
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Rest Of Today: NE wind less than 10 kt, backing to W in the afternoon. Wind waves NE 1 ft at 4 seconds, shifting to the W 2 ft at 4 seconds in the afternoon. NW swell 2 ft at 10 seconds.

Tonight: W wind to 10 kt. Wind waves W 1 ft at 4 seconds. NW swell 3 ft at 8 seconds.

Fri: SW wind less than 10 kt, becoming S 10 to 15 kt in the afternoon. Wind waves SW 2 ft at 4 seconds. NW swell 4 ft at 8 seconds.

Fri Night: SW wind 10 to 15 kt with gusts to 20 kt. Wind waves SW 3 ft at 5 seconds. NW swell 5 ft at 9 seconds.

Sat: W wind to 10 kt. Gusts to 15 kt in the morning. Wind waves W 2 ft at 4 seconds. NW swell 8 ft at 10 seconds.

Sat Night: NW wind to 10 kt with gusts to 15 kt. Wind waves NW 2 ft at 4 seconds. NW swell 7 ft at 9 seconds.

Sun: N wind 20 to 25 kt. Wind waves 5 ft. NW swell 5 ft.

Mon: N wind 20 to 25 kt. Wind waves 6 ft. NW swell 5 ft.



Zone Forecast: Waters from Cascade Head to Florence OR from 10 to 60 nm (PZZ275)

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