909 
 WTNT21 KNHC 060234
 TCMAT1
 
 HURRICANE IRMA FORECAST/ADVISORY NUMBER  28
 NWS NATIONAL HURRICANE CENTER MIAMI FL       AL112017
 0300 UTC WED SEP 06 2017
 
 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
 NONE.
 
 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
 * DOMINICAN REPUBLIC FROM CABO ENGANO TO THE NORTHERN BORDER WITH
 HAITI
 * GUADELOUPE
 
 A HURRICANE WATCH IS IN EFFECT FOR...
 * HAITI FROM THE NORTHERN BORDER WITH THE DOMINICAN REPUBLIC TO LE
 MOLE ST. NICHOLAS
 * TURKS AND CAICOS ISLANDS
 * SOUTHEASTERN BAHAMAS
 * CUBA FROM MATANZAS PROVINCE EASTWARD TO GUANTANAMO PROVINCE
 
 A TROPICAL STORM WARNING IS IN EFFECT FOR...
 * DOMINICA
 * DOMINICAN REPUBLIC FROM SOUTH OF CABO ENGANO WESTWARD TO THE
 SOUTHERN BORDER WITH HAITI
 
 A TROPICAL STORM WATCH IS IN EFFECT FOR...
 * HAITI FROM SOUTH OF LE MOLE ST. NICHOLAS TO PORT-AU-PRINCE
 
 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.
 
 A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
 POSSIBLE WITHIN THE WATCH AREA... GENERALLY WITHIN 48 HOURS.
 
 INTERESTS ELSEWHERE IN THE DOMINICAN REPUBLIC AND HAITI... AS
 WELL AS CUBA... THE CENTRAL AND NORTHWESTERN BAHAMAS... AND FLORIDA
 SHOULD MONITOR THE PROGRESS OF IRMA.
 
 HURRICANE CENTER LOCATED NEAR 17.4N  61.1W AT 06/0300Z
 POSITION ACCURATE WITHIN  10 NM
 
 PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT  13 KT
 
 ESTIMATED MINIMUM CENTRAL PRESSURE  916 MB
 EYE DIAMETER  25 NM
 MAX SUSTAINED WINDS 160 KT WITH GUSTS TO 195 KT.
 64 KT....... 45NE  40SE  30SW  45NW.
 50 KT....... 80NE  60SE  40SW  70NW.
 34 KT.......150NE 110SE  90SW 150NW.
 12 FT SEAS..390NE 240SE 240SW 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 17.4N  61.1W AT 06/0300Z
 AT 06/0000Z CENTER WAS LOCATED NEAR 17.2N  60.4W
 
 FORECAST VALID 06/1200Z 18.1N  63.1W
 MAX WIND 155 KT...GUSTS 190 KT.
 64 KT... 50NE  45SE  35SW  50NW.
 50 KT... 90NE  70SE  50SW  80NW.
 34 KT...160NE 120SE 100SW 150NW.
 
 FORECAST VALID 07/0000Z 19.1N  65.9W
 MAX WIND 150 KT...GUSTS 185 KT.
 64 KT... 50NE  45SE  35SW  50NW.
 50 KT... 90NE  70SE  50SW  80NW.
 34 KT...160NE 120SE 100SW 150NW.
 
 FORECAST VALID 07/1200Z 20.1N  68.5W
 MAX WIND 145 KT...GUSTS 175 KT.
 64 KT... 50NE  50SE  40SW  50NW.
 50 KT... 90NE  80SE  60SW  80NW.
 34 KT...180NE 150SE 100SW 160NW.
 
 FORECAST VALID 08/0000Z 21.0N  71.2W
 MAX WIND 140 KT...GUSTS 170 KT.
 50 KT... 90NE  80SE  60SW  80NW.
 34 KT...180NE 150SE 100SW 160NW.
 
 FORECAST VALID 09/0000Z 22.0N  76.2W
 MAX WIND 135 KT...GUSTS 165 KT.
 50 KT... 90NE  80SE  60SW  80NW.
 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 10/0000Z 23.2N  79.5W
 MAX WIND 125 KT...GUSTS 150 KT.
 
 OUTLOOK VALID 11/0000Z 25.0N  81.5W
 MAX WIND 120 KT...GUSTS 145 KT.
 
 REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.4N  61.1W
 
 NEXT ADVISORY AT 06/0900Z
 
 $$
 FORECASTER PASCH
 
 
 

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