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8 AM ADVISORY HURRICANE ISAIAS:
A Hurricane Warning continues in effect for...* Northwestern Bahamas including Andros Island, New Providence, Eleuthera, Abacos Islands, Berry Islands, Grand Bahamas Island, and Bimini* Southeastern Bahamas including the Acklins, Crooked Island, Long Cay, the Inaguas, Mayaguana, and the Ragged Islands* Central Bahamas, including Cat Island, the Exumas, Long Island, Rum Cay, and San Salvador
A Tropical Storm Warning continues in effect for...* Dominican Republic entire southern and northern coastlines* Turks and Caicos Islands
A Tropical Storm Watch continues in effect for...* East coast of Florida from Ocean Reef to Sebastian Inlet* Lake Okeechobee
Tropical storm conditions will continue across portions of the Dominican Republic and the Turks and Caicos this morning. Hurricane conditions are expected to begin in the southeastern Bahamas this morning and spread into the central and northwestern Bahamas tonight and into Saturday.
Tropical storm conditions are possible in the watch area in Florida beginning Saturday.
Interests elsewhere along the southeast coast of the United States should monitor the progress of this system. Additional watches or warnings may be required for a portion of the Florida peninsula later today.For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office - www.weather.gov. For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service.
At 8 a.m. EDT, the center of now Hurricane Isaias (pronounced "ees-ah-EE-ahs") was located about 340 miles (545 km) southeast Nassau. It’s moving toward the northwest near 17 mph (28 km/h), and a generally northwestward motion with some decrease in forward speed is expected for the next couple of days followed by a turn toward the north-northwest. On the forecast track, the center of Isaias will move near or over the Southeastern Bahamas today. Isaias is forecast to be near the Central Bahamas tonight, and move near or over the Northwestern Bahamas and be near or east of the Florida peninsula on Saturday and Sunday.
Maximum sustained winds are near 80 mph (130 km/h) with higher gusts. Hurricane-force winds extend outward up to 45 miles (75 km) from the center and tropical-storm-force winds extend outward up to 205 miles (335 km). A private weather observing site at Long Bay Beach in Providenciales recently reported a sustained wind of 55 mph (86 km/h) and a gust to 59 mph (95 km/h). Some strengthening is possible today, and Isaias is expected to remain a hurricane for the next few days.
A dangerous storm surge will raise water levels by as much as 3 to 5 feet above normal tide levels in areas of onshoren winds in the Bahamas.
Isaias is expected to produce the following rain accumulations through Saturday:- Dominican Republic and northern Haiti: 4 to 8 inches, with isolated maximum totals of 12 inches.- Bahamas, Turks and Caicos: 4 to 8 inches.- Cuba: 1 to 2 inches, with isolated maximum totals of 4 inches.These rainfall amounts will lead to life-threatening flash flooding and mudslides, as well as river flooding. Urban and small stream flooding is expected for the U.S. Virgin Islands and Hispaniola.From Friday night through Monday:- South Florida into east-Central Florida: 2 to 4 inches, withisolated maximum totals of 6 inches.These rainfall amounts could result in isolated flash and urbanflooding, especially in low-lying and poorly drained areas.
The next complete advisory will be issued by NHC at 11 a.m. EDT- www.hurricanes.gov
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