Life-Threatening Storm Surge Expected In The Florida Keys and the West Coast of Cuba

September 9, 2017 11pm Advisory

Hurricane Irma:

  • Location: 23.6 N   87.1 W
  • About 80 mi SE of Key West Florida
  • Maximum Sustained Winds: 120 mph
  • Present Movement: NW or 305 degrees at 6 mph
  • Minimum Central Pressure: 932 mb / 27.52 inches of mercury

At 11:00 PM CDT, the eye of Hurricane Irma was located near latitude 23.6 North, longitude 87.1 West. Irma is moving slowly northwestward away from the north coast of Cuba near 6 mph (9 km/h).  A turn toward the north-northwest with an increase in forward speed is expected through late Monday.  On the forecast track, the center of Irma is expected to cross the Lower Florida Keys Sunday morning and then move near or along the west coast of Florida Sunday afternoon through Monday morning.  Irma should then move inland over the Florida panhandle and southwestern Georgia Monday afternoon.

Maximum sustained winds are 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 a little while it moves through the Straits of Florida and remain a powerful hurricane as it approaches the Florida Keys and the west coast of Florida.

Hurricane-force winds extend outward up to 70 miles (110 km) from the center, and tropical-storm-force winds extend outward up to 205 miles (335 km).

The estimated minimum central pressure is 932 mb (27.52 inches).

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 Suwannee River
  • Florida Keys
  • Tampa Bay

A Storm Surge Watch is in effect for…

  • North of the Suwannee River to Ochlocknee 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

A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area.

Hurricane Jose:

  • Location: 19.8 N  63.4 W
  • About 110 mi N of the Northern Leeward Islands
  • Maximum Sustained Winds: 130 mph
  • Present Movement: NW or 310 degrees at 14 mph
  • Minimum Central Pressure: 944  mb / 27.88 inches of mercury

At 10:00 pm CDT, the center of Hurricane Jose was located near latitude 19.8 North, longitude 63.4 West. Jose is moving toward the northwest near 14 mph (22 km/h) and this motion is expected to continue through Sunday. A slower forward motion is expected on Monday as Jose makes a turn toward the north.

Maximum sustained winds are near 130 mph (215 km/h) with higher gusts. Jose is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale.  Gradual weakening is forecast during the next 48 hours.

Hurricane-force winds extend outward up to 40 miles (65 km) from the center and tropical-storm-force winds extend outward up to 150 miles (240 km).

The estimated minimum central pressure is 944 mb (27.88 inches).

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