Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into Ohio/Tennessee Valleys; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will be possible from the Lower Mississippi Valley into parts of the Ohio/Tennessee Valleys. Elevated to Critical Fire weather threats will persist across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina.
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Last Update: 230 PM PDT Sat Sep 22 2018

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Portland, OR Local Forecast Office

6NM W Cannon Beach OR

Marine Zone Forecast


...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT UNTIL 10 PM PDT THIS EVENING...
Synopsis: High pressure will build over the Northeast Pacific tonight and Sunday. High pressure remains over the Northeast Pacific Sunday night through the middle of next week. Thermal low pressure will build along the south Oregon coast Sunday and expand a little north Sunday night and Monday.

Tonight
NW wind 10 to 15 kt. Gusts to 20 kt before dark. Wind waves NW 3 ft at 4 seconds. W swell 6 ft at 8 seconds.
Sun
NW wind 10 to 15 kt. Wind waves NW 2 ft at 4 seconds. NW swell 5 ft at 8 seconds.
Sun Night
N wind 10 to 15 kt. Wind waves N 3 ft at 4 seconds. NW swell 4 ft at 14 seconds.
Mon
N wind 10 to 15 kt with gusts to 20 kt. Wind waves N 3 ft at 5 seconds. NW swell 4 ft at 7 seconds.
Mon Night
N wind 15 to 20 kt with gusts to 25 kt. Wind waves N 5 ft at 6 seconds. NW swell 4 ft at 12 seconds.
Tue
N wind 15 to 20 kt with gusts to 25 kt. Wind waves 5 ft. NW swell 6 ft.
Tue Night
N wind 15 to 20 kt with gusts to 25 kt. Wind waves 5 ft. NW swell 7 ft.
Wed
N wind 15 to 20 kt. Wind waves 5 ft. NW swell 7 ft.
Thu
N wind 15 to 20 kt. Wind waves 4 ft. NW swell 6 ft.
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ABOUT THIS FORECAST

Last Update: 230 PM PDT Sat Sep 22 2018
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