Hurricane Irma

Forecast Advisory 33

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483
WTNT21 KNHC 070901
TCMAT1

HURRICANE IRMA FORECAST/ADVISORY NUMBER 33
NWS NATIONAL HURRICANE CENTER MIAMI FL AL112017
0900 UTC THU SEP 07 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A HURRICANE WARNING FOR
THE NORTHWESTERN BAHAMAS.

ALL WARNINGS ARE DISCONTINUED FOR PUERTO RICO...VIEQUES...AND
CULEBRA.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WARNING IS IN EFFECT FOR...
* DOMINICAN REPUBLIC FROM CABO ENGANO TO THE NORTHERN BORDER WITH
HAITI
* HAITI FROM THE NORTHERN BORDER WITH THE DOMINICAN REPUBLIC TO LE
MOLE ST. NICHOLAS
* SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS
* CENTRAL BAHAMAS
* NORTHWESTERN BAHAMAS

A HURRICANE WATCH IS IN EFFECT FOR...
* CUBA FROM MATANZAS PROVINCE EASTWARD TO GUANTANAMO PROVINCE

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* DOMINICAN REPUBLIC FROM SOUTH OF CABO ENGANO WESTWARD TO THE
SOUTHERN BORDER WITH HAITI
* HAITI FROM SOUTH OF LE MOLE ST. NICHOLAS TO PORT-AU-PRINCE
* CUBA PROVINCES OF GUANTANAMO...HOLGUIN...AND LAS TUNAS

A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE AND
PROPERTY SHOULD BE RUSHED TO COMPLETION.

A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS... CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA.

INTERESTS ELSEWHERE IN THE DOMINICAN REPUBLIC AND HAITI...AS WELL
AS CUBA AND FLORIDA SHOULD MONITOR THE PROGRESS OF IRMA. A
HURRICANE WATCH WILL LIKELY BE REQUIRED LATER TODAY FOR PORTIONS
OF SOUTHERN FLORIDA AND THE FLORIDA KEYS.

HURRICANE CENTER LOCATED NEAR 20.0N 68.3W AT 07/0900Z
POSITION ACCURATE WITHIN 10 NM

PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT 15 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 921 MB
EYE DIAMETER 20 NM
MAX SUSTAINED WINDS 155 KT WITH GUSTS TO 190 KT.
64 KT....... 45NE 45SE 30SW 45NW.
50 KT.......100NE 70SE 50SW 70NW.
34 KT.......160NE 120SE 80SW 150NW.
12 FT SEAS..540NE 210SE 120SW 390NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 20.0N 68.3W AT 07/0900Z
AT 07/0600Z CENTER WAS LOCATED NEAR 19.7N 67.7W

FORECAST VALID 07/1800Z 20.7N 70.5W
MAX WIND 150 KT...GUSTS 185 KT.
64 KT... 50NE 45SE 35SW 50NW.
50 KT...100NE 70SE 50SW 80NW.
34 KT...170NE 120SE 90SW 150NW.

FORECAST VALID 08/0600Z 21.7N 73.1W
MAX WIND 145 KT...GUSTS 175 KT.
64 KT... 50NE 45SE 35SW 50NW.
50 KT...100NE 70SE 50SW 80NW.
34 KT...180NE 130SE 90SW 150NW.

FORECAST VALID 08/1800Z 22.3N 75.5W
MAX WIND 140 KT...GUSTS 170 KT.
64 KT... 50NE 50SE 40SW 50NW.
50 KT...100NE 80SE 60SW 80NW.
34 KT...180NE 140SE 100SW 160NW.

FORECAST VALID 09/0600Z 22.8N 77.4W
MAX WIND 135 KT...GUSTS 165 KT.
50 KT...100NE 80SE 60SW 80NW.
34 KT...180NE 150SE 100SW 160NW.

FORECAST VALID 10/0600Z 24.5N 80.0W
MAX WIND 130 KT...GUSTS 160 KT.
50 KT...100NE 90SE 70SW 90NW.
34 KT...180NE 160SE 110SW 160NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 11/0600Z 28.5N 80.5W
MAX WIND 105 KT...GUSTS 130 KT.

OUTLOOK VALID 12/0600Z 33.0N 81.0W...INLAND
MAX WIND 75 KT...GUSTS 90 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.0N 68.3W

NEXT ADVISORY AT 07/1500Z

$$
FORECASTER BEVEN