000 WTNT24 KNHC 261444 TCMAT4 HURRICANE IRENE FORECAST/ADVISORY NUMBER 25 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011 1500 UTC FRI AUG 26 2011 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE GOVERNMENT OF THE BAHAMAS HAS DISCONTINUED ALL WARNINGS. THE HURRICANE WARNING HAS BEEN EXTENDED NORTHWARD IN THE CHESAPEAKE BAY TO DRUM POINT. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * LITTLE RIVER INLET NORTH CAROLINA NORTHWARD TO SANDY HOOK NEW JERSEY...INCLUDING THE PAMLICO...ALBEMARLE...AND CURRITUCK SOUNDS...DELAWARE BAY...AND CHESAPEAKE BAY SOUTH OF DRUM POINT. A HURRICANE WATCH IS IN EFFECT FOR... * NORTH OF SANDY HOOK TO THE MOUTH OF THE MERRIMACK RIVER MASSACHUSETTS...INCLUDING NEW YORK CITY...LONG ISLAND...LONG ISLAND SOUND...BLOCK ISLAND...BOSTON...MARTHAS VINEYARD AND NANTUCKET. A TROPICAL STORM WARNING IS IN EFFECT FOR... * NORTH OF EDISTO BEACH SOUTH CAROLINA TO LITTLE RIVER INLET * CHESAPEAKE BAY FROM DRUM POINT NORTHWARD AND THE TIDAL POTOMAC 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. 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 WITHIN 36 HOURS. 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. WATCHES AND WARNINGS WILL LIKELY BE EXTENDED NORTHWARD INTO NEW ENGLAND THIS AFTERNOON. INTERESTS ELSEWHERE IN NORTHEASTERN UNITED STATES AND SOUTHEASTERN CANADA SHOULD MONITOR THE PROGRESS OF IRENE. HURRICANE CENTER LOCATED NEAR 30.7N 77.3W AT 26/1500Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT 12 KT ESTIMATED MINIMUM CENTRAL PRESSURE 946 MB MAX SUSTAINED WINDS 90 KT WITH GUSTS TO 110 KT. 64 KT....... 80NE 80SE 50SW 50NW. 50 KT.......125NE 105SE 75SW 75NW. 34 KT.......250NE 200SE 130SW 175NW. 12 FT SEAS..330NE 330SE 180SW 210NW. 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 30.7N 77.3W AT 26/1500Z AT 26/1200Z CENTER WAS LOCATED NEAR 30.0N 77.3W FORECAST VALID 27/0000Z 32.2N 77.1W MAX WIND 90 KT...GUSTS 110 KT. 64 KT... 80NE 80SE 50SW 50NW. 50 KT...125NE 105SE 75SW 75NW. 34 KT...250NE 200SE 130SW 175NW. FORECAST VALID 27/1200Z 34.4N 76.6W MAX WIND 90 KT...GUSTS 110 KT. 64 KT... 80NE 80SE 50SW 50NW. 50 KT...125NE 105SE 75SW 75NW. 34 KT...250NE 200SE 130SW 160NW. FORECAST VALID 28/0000Z 36.7N 75.6W MAX WIND 85 KT...GUSTS 105 KT. 64 KT... 80NE 80SE 50SW 50NW. 50 KT...125NE 105SE 75SW 75NW. 34 KT...250NE 200SE 130SW 160NW. FORECAST VALID 28/1200Z 39.5N 74.1W MAX WIND 75 KT...GUSTS 90 KT. 50 KT...120NE 120SE 75SW 60NW. 34 KT...270NE 240SE 140SW 120NW. FORECAST VALID 29/1200Z 47.5N 68.8W...INLAND MAX WIND 55 KT...GUSTS 65 KT. 50 KT...120NE 120SE 75SW 0NW. 34 KT...300NE 270SE 140SW 100NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 175 NM ON DAY 4 AND 225 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY OUTLOOK VALID 30/1200Z 55.5N 57.0W...POST-TROP/EXTRATROP MAX WIND 40 KT...GUSTS 50 KT. OUTLOOK VALID 31/1200Z 59.0N 38.0W...POST-TROP/EXTRATROP MAX WIND 40 KT...GUSTS 50 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.7N 77.3W NEXT ADVISORY AT 26/2100Z $$ FORECASTER BROWN