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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Hazardous Weather Conditions
Last Update: 1003 AM EDT Mon Sep 20 2021
For More Weather Information:
11NM ESE South Palm Beach FL
Marine Zone Forecast
Synopsis: South Florida remains on the periphery of weak surface high
pressure. Scattered showers and thunderstorms will be possible from
time to time over all local waters over the coming days. Winds and
waves could be locally higher in and around any shower or
thunderstorm.
.GULF STREAM HAZARDS...None.
The approximate location of the west wall of the Gulf Stream as of Sep 18, 2021 at 1200 UTC...
9 nautical miles southeast of Fowey Rocks. 13 nautical miles southeast of Port Everglades. 12 nautical miles east of Lake Worth. 14 nautical miles east of Jupiter Inlet.
This data courtesy of the Naval Oceanographic Office.
.GULF STREAM HAZARDS...None.
The approximate location of the west wall of the Gulf Stream as of Sep 18, 2021 at 1200 UTC...
9 nautical miles southeast of Fowey Rocks. 13 nautical miles southeast of Port Everglades. 12 nautical miles east of Lake Worth. 14 nautical miles east of Jupiter Inlet.
This data courtesy of the Naval Oceanographic Office.
Rest Of Today
East southeast winds 5 to 10 knots. Seas around 2 feet. Period 8 seconds. Intracoastal waters a light chop. Chance of showers and thunderstorms.
Tonight
East southeast winds around 10 knots. Seas around 2 feet. Period 8 seconds. Intracoastal waters a light chop. Chance of showers and thunderstorms.
Tuesday
East winds 5 to 10 knots. Seas 2 to 3 feet. Period 7 seconds. Intracoastal waters a light chop. Chance of showers and thunderstorms.
Tuesday Night
East winds 5 to 10 knots. Seas 2 to 3 feet. Period 7 seconds. Intracoastal waters a light chop. Chance of showers and thunderstorms.
Wednesday
East southeast winds around 5 knots. Seas 2 to 3 feet. Intracoastal waters smooth. Chance of showers in the morning. Chance of thunderstorms. Showers likely.
Wednesday Night
South southeast winds around 5 knots becoming south southwest in the morning. Seas around 2 feet. Intracoastal waters smooth. Chance of showers and thunderstorms.
Thursday
South southeast winds around 5 knots. Seas 2 to 3 feet. Intracoastal waters smooth. Chance of showers and thunderstorms in the morning, then showers and thunderstorms likely.
Thursday Night
South winds around 5 knots. Seas 2 to 3 feet. Intracoastal waters smooth. Showers likely late in the evening. Chance of thunderstorms through the night. Chance of showers after midnight.
Friday
Southeast winds around 5 knots. Seas 2 to 3 feet. Intracoastal waters smooth. Chance of showers in the morning. Chance of thunderstorms. Showers likely.
Additional Forecasts and Information
ABOUT THIS FORECAST
| Last Update: | 1003 AM EDT Mon Sep 20 2021 |
| Forecast Discussion | |
RADAR & SATELLITE IMAGES
