8 pm Saturday: Hurricane Irma Intermediate Advisory

At 800 PM EDT (0000 UTC), the eye of Hurricane Irma was located by a NOAA Hurricane Hunter aircraft and NWS Doppler radar near latitude 23.3 North, longitude 80.8 West.  Radar loops indicate that Irma has temporarily slowed down, but the hurricane has been moving toward the west-northwest near 7 mph (11 km/h) since earlier today. A northwest motion is expected to begin tonight with a turn toward the north-northwest on Sunday. On the forecast track, the core of Irma will continue to move near the north coast of Cuba during the next few hours, and should be near the Florida Keys Sunday morning.  The hurricane is expected to move along or near the southwest coast of Florida Sunday afternoon.

A NOAA Hurricane Hunter aircraft has found that Irma's intensity is a little lower, and the maximum sustained winds are estimated to be near 120 mph (195 km/h) with higher gusts. Irma is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. Irma is forecast to restrengthen once it moves away from Cuba and 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 195 miles (315 km).  Marathon International Airport recently reported a sustained wind of 48 mph (77 km/h) and a gust to 67 mph (108 km/h).


SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Storm Surge Warning is in effect for... * South Santee River southward around the Florida peninsula to the Suwanee River * Florida Keys * Tampa Bay

A Storm Surge Watch is in effect for... * North of the Suwanee River to Ochlockonee River

A Hurricane Warning is in effect for... * Fernandina Beach southward around the Florida peninsula to Indian Pass * Florida Keys * Lake Okeechobee * Florida Bay * Cuban provinces of Camaguey, Ciego de Avila, Sancti Spiritus, Villa Clara, Matanzas, and Havana * Andros Island, Bimini, and Grand Bahama

A Hurricane Watch is in effect for... * North of Fernandina Beach to Edisto Beach

A Tropical Storm Warning is in effect for... * West of Indian Pass to the Okaloosa/Walton County Line * North of Fernandina Beach to South Santee River



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