Shifting Heat Wave from Southern Plains to West; A Very Wet Few Days for East

Oppressive temperatures and dangerous heat indices will linger for another day or two across the Southern Plains/Lower MS Valley, especially TX. Meanwhile, another widespread Heat Wave is beginning across the Southwest, CA and Northwest for this week. Finally, an anomalous upper trough over the East will continue to inundate the Mid-Atlantic region with tropical heavy to excessive rainfall.
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Hazardous Weather Conditions

Last Update: 340 AM EDT Mon Jul 23 2018

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Miami - South Florida Local Forecast Office

10NM E Virginia Key FL

Marine Zone Forecast


Synopsis: Boundary across central Florida will gradually move south today increasing the chance of more scattered showers and thunderstorms across all South Florida waters through mid week. Southwesterly flow and a fetch will increase seas in the Gulf to 3 to 4 feet in the offshore Gulf today. Coverage of showers and thunderstorms will continue to increase as a boundary moves southward down the peninsula through Wednesday. Throughout the week coverage will be widespread across all local South Florida waters. Locally higher winds and seas are possible near any thunderstorms.

.GULF STREAM HAZARDS...None

The approximate location of the west wall of the Gulf Stream as of Jul 21, 2018 at 1200 UTC...

6 nautical miles northeast of Fowey Rocks. 11 nautical miles east of Port Everglades. 8 nautical miles east of Lake Worth. 11 nautical miles east northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Today
South southwest winds 10 to 15 knots. Seas less than 2 feet. Period 2 seconds. Intracoastal waters a light chop. A chance of showers in the morning. A chance of thunderstorms . Showers likely in the afternoon.
Tonight
South southwest winds 5 to 10 knots with gusts to around 20 knots. Seas less than 2 feet. Period 3 seconds. Intracoastal waters a light chop. A chance of showers and thunderstorms in the evening...then showers and thunderstorms likely after midnight.
Tuesday
South winds 10 to 15 knots. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop. Showers likely in the morning. A chance of thunderstorms. A chance of showers in the afternoon.
Tuesday Night
South southwest winds 5 to 10 knots. Seas less than 2 feet. Period 7 seconds. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Wednesday
South winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Wednesday Night
South winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. Showers likely and a chance of thunderstorms.
Thursday Through Friday
East southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 340 AM EDT Mon Jul 23 2018
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