Locally Heavy Rainfall Possible Over the Four Corners; Critical Fire Weather Conditions in the Great Basin

Monsoon moisture will result in locally heavy showers and thunderstorms over the Four Corners region, which could lead to flash flooding. While, critical fire weather threats are expected for much of the Great Basin, from dry and windy conditions. Finally, Tropical Cyclone Humberto remains well offshore of the Southeast, but rip currents and heavy surf are expected from Florida to the Carolinas.
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Last Update: 430 PM EDT Sun Sep 15 2019

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Miami - South Florida Local Forecast Office

36NM E Bal Harbour FL

Marine Zone Forecast


...SMALL CRAFT SHOULD EXERCISE CAUTION TONIGHT...
... ...
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH TUESDAY EVENING...
Synopsis: Swells produced by Tropical Storm Humberto in the Atlantic will cause hazardous marine conditions to develop starting as soon as tonight. Showers and thunderstorms continue to be possible through the week, although the chances should be low

.GULF STREAM HAZARDS... A Northerly swell will allow for the seas build to 7 feet late tonight into Monday morning, before increasing to around 9 feet by Tuesday.

The approximate location of the west wall of the Gulf Stream as of Sep 14, 2019 at 1200 UTC...

11 nautical miles southeast of Fowey Rocks. 14 nautical miles east southeast of Port Everglades. 7 nautical miles east southeast of Lake Worth. 9 nautical miles northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Tonight
West southwest winds around 10 knots. Seas 2 to 3 feet along the coast and 4 to 6 feet with occasional to 8 feet in the gulf stream. Period 8 seconds. Intracoastal waters a light chop. Showers likely in the evening. Slight chance of showers after midnight.
Monday
West southwest winds around 10 knots. Seas 2 to 4 feet with occasional seas to 5 feet along the coast and 5 to 7 feet with occasional to 9 feet in the gulf stream. Period 9 seconds. North swell around 3 feet in the afternoon. Intracoastal waters a light chop. Slight chance of showers and thunderstorms in the morning. Chance of showers and thunderstorms in the afternoon.
Monday Night
Northwest winds 5 to 10 knots. Seas 3 to 5 feet with occasional seas to 6 feet along the coast and 5 to 7 feet with occasional to 9 feet in the gulf stream. Period 9 seconds. North swell around 3 feet. Intracoastal waters a light chop. Chance of showers and slight chance of thunderstorms in the evening, then slight chance of showers after midnight.
Tuesday
North winds 5 to 10 knots. Seas 4 to 6 feet with occasional seas to 8 feet along the coast and 5 to 7 feet with occasional to 9 feet in the gulf stream. Period 10 seconds. North swell around 3 feet. Intracoastal waters a light chop. Slight chance of showers in the morning, then chance of showers in the afternoon.
Tuesday Night
North winds around 10 knots. Seas 4 to 6 feet with occasional seas to 8 feet. North northwest swell around 3 feet in the evening. Intracoastal waters a light chop. Slight chance of showers in the evening, then chance of showers after midnight.
Wednesday
North northeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Intracoastal waters a light chop. Chance of showers in the morning, then slight chance of showers and thunderstorms in the afternoon.
Wednesday Night
Northeast winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas to 8 feet. Intracoastal waters choppy in exposed areas. Slight chance of showers and thunderstorms in the evening, then chance of showers and thunderstorms after midnight.
Thursday
Northeast winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas to 8 feet. Intracoastal waters choppy in exposed areas. Slight chance of showers and thunderstorms.
Thursday Night And Friday
East northeast winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas to 8 feet. Intracoastal waters choppy in exposed areas. Slight chance of showers and thunderstorms in the evening, then chance of showers and thunderstorms after midnight. Slight chance of showers and thunderstorms in the afternoon.
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Last Update: 430 PM EDT Sun Sep 15 2019
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