Continuous Heavy Rainfall And Threat For Flooding Over The Western Gulf Coast And Midwest; Excessive Heat Widespread Across The Desert Southwest

A very slow moving disturbance will deliver continuous tropical heavy rainfall and flooding along the Texas Gulf Coast into Louisiana. Additional heavy rainfall will be possible across the Midwest and Ohio Valley, from a circulation and stalled frontal zone. Very hot temperatures exceeding 110 degrees are likely over southern California, Nevada and Arizona, which includes Las Vegas and Phoenix.
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Hazardous Weather Conditions

Last Update: 405 PM EDT Wed Jun 20 2018

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Miami - South Florida Local Forecast Office

5NM SE Biscayne Bay FL

Marine Zone Forecast


Synopsis: An upper-level ridge of high pressure along with weak flow at the surface will continue to produce light winds and relatively drier weather through Thursday morning. Winds will increase slightly to 10 to 15 knots and shift to west-southwest late Thursday and to end the week across the Atlantic waters. Over the Gulf waters, winds will remain out of the west southwest at 10 knots or less. Scattered showers and thunderstorms are possible each day. Winds and seas will be locally higher in and around any showers or thunderstorms.

.GULF STREAM HAZARDS...None.

The approximate location of the west wall of the Gulf Stream as of Jun 19, 2018 at 1200 UTC...

5 nautical miles east northeast of Fowey Rocks. 9 nautical miles east of Port Everglades. 12 nautical miles east southeast of Lake Worth. 14 nautical miles east of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Tonight
Southwest winds 5 to 10 knots. Seas less than 2 feet. Period 3 seconds. Intracoastal waters a light chop. A slight chance of showers and thunderstorms through the night.
Thursday
Southwest winds 5 to 10 knots. Seas less than 2 feet. Period 2 seconds. Intracoastal waters a light chop. A slight chance of showers and thunderstorms in the morning... Then a chance of showers and thunderstorms in the afternoon.
Thursday Night
West southwest winds 5 to 10 knots. Seas less than 2 feet. Period 2 seconds. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Friday
Southwest winds 5 to 10 knots. Seas less than 2 feet. Period 2 seconds. Intracoastal waters a light chop. A slight chance of showers and thunderstorms in the morning...then a chance of showers and thunderstorms in the afternoon.
Friday Night
Southwest winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Saturday
South southwest winds 5 knots becoming southeast in the afternoon. Seas less than 2 feet. Intracoastal waters smooth. A chance of showers and thunderstorms.
Saturday Night
Southeast winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Sunday
East southeast winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Sunday Night And Monday
East southeast winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters a light chop. A chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 405 PM EDT Wed Jun 20 2018
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