by | September 7, 2017 11:08 am

NWS National Hurricane Center Miami FL AL112017
1100 AM AST Thu Sep 07 2017

…EXTREMELY DANGEROUS HURRICANE IRMA HEADING FOR THE TURKS AND
CAICOS ISLANDS…
…HURRICANE AND STORM SURGE WATCH ARE IN EFFECT FOR PORTIONS OF
SOUTH FLORIDA AND THE FLORIDA KEYS…

At 1100 AM AST (1500 UTC), the distinct eye of Hurricane Irma was
located near latitude 20.4 North, longitude 69.7 West. Irma is
moving toward the west-northwest near 16 mph (26 km/h), and this
general motion is expected to continue with some decrease in forward
speed for the next couple of days. On the forecast track, the eye
of Irma should continue to move just north of the coast of
Hispaniola today, be near the Turks and Caicos and southeastern
Bahamas by this evening, and then be near the central Bahamas by
Friday.

Maximum sustained winds are near 175 mph (280 km/h) with higher
gusts. Irma is 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 forecast to remain a
powerful category 4 or 5 hurricane during the next couple of
days.

Hurricane-force winds extend outward up to 60 miles (95 km) from the
center and tropical-storm-force winds extend outward up to 185 miles
(295 km).

The minimum central pressure reported by an Air Force plane was 921
mb (27.20 inches).

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