Flash Flood Watches in Southeast and Tennessee Valley; Critical Fire Weather in California; Severe Weather in Upper Midwest

Flash flood watches are in effect today in parts of the Southeast and Tennessee Valley from organized areas of heavy to excessive rainfall. Meanwhile, critical fire weather conditions are likely across northern California with offshore winds and dry conditions. Finally, a strong cold front will produce severe thunderstorms across the Upper to Mid Mississippi Valley.
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Last Update: 856 AM PDT Mon Sep 20 2021

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Los Angeles/Oxnard, CA Local Forecast Office

15NM WSW Santa Barbara CA

Marine Zone Forecast


Synopsis: PZZ600-202230- 856 AM PDT Mon Sep 20 2021 .Synopsis for the southern California coast and Santa Barbara Channel including the Channel Islands National Marine Sanctuary and National Park...at 15Z, or 8 AM PDT, a 1029 MB surface high was centered 700 NM NW of Point Conception and a 1027 MB high was in Nevada. A 1011 MB thermal low was just S of Las Vegas. The high will expand into the Great Basin today and Tuesday. $$

Today
Winds variable 10 kt or less. Wind waves 2 ft or less. W swell 3 to 5 ft at 9 seconds.
Tonight
Winds variable 10 kt or less. Wind waves 2 ft or less. W swell 3 to 5 ft at 12 seconds.
Tue
Winds variable 10 kt or less, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 4 ft at 12 seconds.
Tue Night
Winds variable 10 kt or less, becoming W 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 to 4 ft at 11 seconds.
Wed
NW winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 3 ft at 11 seconds.
Wed Night
W winds 15 to 20 kt, becoming 10 to 15 kt after midnight. Wind waves 1 to 3 ft. W swell 3 to 4 ft at 7 seconds.
Thu
W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 4 ft. Patchy fog.
Fri
W winds 5 to 10 kt. Wind waves 2 ft or less. W swell 2 to 4 ft. Patchy fog.
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ABOUT THIS FORECAST

Last Update: 856 AM PDT Mon Sep 20 2021
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