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Hurricane IRMA (Text)


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HURRICANE IRMA SPECIAL FORECAST/ADVISORY NUMBER  25
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL112017
1200 UTC TUE SEP 05 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE GOVERNMENT OF THE DOMINICAN REPUBLIC HAS ISSUED A HURRICANE
WATCH FROM CABO ENGANO TO THE NORTHERN BORDER WITH HAITI AND A
TROPICAL STORM WATCH FROM SOUTH OF CABO ENGAO TO ISLA SAONA.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WARNING IS IN EFFECT FOR...
* ANTIGUA...BARBUDA...ANGUILLA...MONTSERRAT...ST. KITTS... AND
NEVIS
* SABA...ST. EUSTATIUS...AND SINT MAARTEN
* SAINT MARTIN AND SAINT BARTHELEMY
* BRITISH VIRGIN ISLANDS
* U.S. VIRGIN ISLANDS
* PUERTO RICO...VIEQUES...AND CULEBRA

A HURRICANE WATCH IS IN EFFECT FOR...
* GUADELOUPE
* DOMINICAN REPUBLIC FROM CABO ENGANO TO THE NORTHERN BORDER WITH
HAITI

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* GUADELOUPE
* DOMINICA

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* DOMINICAN REPUBLIC FROM SOUTH OF CABO ENGAO TO ISLA SAONA

A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-
FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT
OR DANGEROUS. IN THIS CASE...FOR SOME OF EASTERNMOST ISLANDS...THE
HURRICANE CONDITIONS ARE EXPECTED WITHIN THE NEXT 24 HOURS.
PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO
COMPLETION.

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA IN THIS CASE WITHIN 36
HOURS.

INTERESTS ELSEWHERE IN THE DOMINICAN REPUBLIC...ALONG WITH
HAITI...THE TURKS AND CAICOS ISLANDS...CUBA...AND THE
SOUTHEASTERN AND CENTRAL BAHAMAS SHOULD MONITOR THE PROGRESS OF
IRMA.

HURRICANE CENTER LOCATED NEAR 16.7N  57.7W AT 05/1200Z
POSITION ACCURATE WITHIN  10 NM

PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT  12 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  929 MB
EYE DIAMETER  20 NM
MAX SUSTAINED WINDS 150 KT WITH GUSTS TO 185 KT.
64 KT....... 40NE  35SE  30SW  35NW.
50 KT....... 70NE  60SE  50SW  60NW.
34 KT.......120NE 100SE  80SW 120NW.
12 FT SEAS..270NE 120SE 150SW 270NW.
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 16.7N  57.7W AT 05/1200Z
AT 05/0600Z CENTER WAS LOCATED NEAR 16.6N  56.4W

FORECAST VALID 05/1800Z 17.0N  58.9W
MAX WIND 155 KT...GUSTS 190 KT.
64 KT... 40NE  35SE  30SW  35NW.
50 KT... 70NE  60SE  50SW  60NW.
34 KT...130NE 100SE  80SW 110NW.

FORECAST VALID 06/0600Z 17.7N  61.5W
MAX WIND 150 KT...GUSTS 185 KT.
64 KT... 40NE  35SE  30SW  35NW.
50 KT... 70NE  60SE  60SW  60NW.
34 KT...140NE 110SE  80SW 120NW.

FORECAST VALID 06/1800Z 18.6N  64.2W
MAX WIND 145 KT...GUSTS 175 KT.
64 KT... 40NE  35SE  30SW  35NW.
50 KT... 80NE  70SE  60SW  70NW.
34 KT...150NE 130SE  90SW 140NW.

FORECAST VALID 07/0600Z 19.6N  67.0W
MAX WIND 140 KT...GUSTS 170 KT.
50 KT... 80NE  70SE  60SW  70NW.
34 KT...160NE 140SE  90SW 150NW.

FORECAST VALID 08/0600Z 21.2N  72.5W
MAX WIND 135 KT...GUSTS 115 KT.
50 KT... 90NE  80SE  60SW  80NW.
34 KT...170NE 160SE 100SW 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 09/0600Z 22.4N  77.2W
MAX WIND 135 KT...GUSTS 165 KT.

OUTLOOK VALID 10/0600Z 24.0N  81.0W
MAX WIND 130 KT...GUSTS 160 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.7N  57.7W

NEXT ADVISORY AT 05/1500Z

$$
FORECASTER BROWN


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Page last modified: Sunday, 10-Dec-2017 12:09:24 UTC