Key Messages from NHC regarding potentially catastrophic Category 5 Hurricane Irma, as of 11 p.m. EDT

Extremely dangerous Hurricane Irma is centered at 11 p.m. EDT about 300 miles (485 km) south-southeast of Miami, moving toward the west near 13 21430268_1529934723738669_7743761454540627165_nmph (20 km/h). A turn toward the northwest is expected by late Saturday. On the forecast track, the center of Irma will move near the north coast of Cuba through Saturday, near the Florida Keys Sunday morning, and then near the southwest coast of Florida Sunday afternoon.
Data from an Air Force Reserve Hurricane Hunter aircraft indicate that maximum sustained winds have increased to near 160 mph (260 km/h) with higher gusts. Irma is once again a category 5 hurricane on the Saffir-Simpson Hurricane Wind Scale. Some fluctuations in intensity are likely during the next day or two, but Irma is expected to remain a powerful hurricane as it approaches Florida. Hurricane-force winds extend outward up to 70 miles (110 km) from the center, and tropical-storm-force winds extend outward up to 185 miles (295 km). The estimated minimum central pressure is 924 mb (27.29 inches).

A Storm Surge Warning is in effect for the Volusia/Brevard County Line southward around the Florida peninsula to Anclote River, including the21557546_1529913933740748_5606499504166325396_n Florida Keys and Tampa Bay. A A Storm Surge Watch is in effect from north of the Volusia/Brevard County Line to the Flagler/Volusia County line and north of Anclote River to Suwannee River. The water is expected to reach the following HEIGHTS ABOVE GROUND if the peak
surge occurs at the time of high tide…
SW Florida from Captiva to Cape Sable…8 to 12 ft
Cape Sable to Boca Raton including the Florida Key…5 to 10 ft21370918_1529930987072376_5344261382911648392_n
Venice to Captiva…5 to 8 ft
Anclote River to Venice including Tampa Bay…3 to 5 ft
Boca Raton to Flagler/Volusia County line…2 to 4 ft
Anclote River to Suwannee River…3 to 6 ft

Preparations to protect life and property should be rushed to completion. A Hurricane Warning is in effect from the Volusia/Brevard County Line southward around the Florida peninsula to Anclote River, including the Florida Keys, Lake Okeechobee, Florida Bay, the Cuban provinces of Camaguey, Ciego de Avila, Sancti Spiritus,Villa Clara, and Matanzas, the Central Bahamas and Ragged Island, and the Northwestern Bahamas. A Hurricane Watch is in effect from north of the Volusia/Brevard County Line to Fernandina Beach and north and west of Anclote River to Indian Pass, and for the Cuban provinces of Holguin and Las Tunas.

The next complete advisory will be issued by the National Hurricane Center at 5 a.m. EDT with an intermediate advisory at 2 a.m. EDT-21369475_1529930990405709_7371545043083325797_nwww.hurricanes.gov

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