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#453749 (Received by flhurricane at: 10:55 PM 26.Aug.2011) TCMAT4 HURRICANE IRENE FORECAST/ADVISORY NUMBER 27 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011 0300 UTC SAT AUG 27 2011 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * LITTLE RIVER INLET NORTH CAROLINA NORTHWARD TO SAGAMORE BEACH MASSACHUSETTS...INCLUDING THE PAMLICO...ALBEMARLE...AND CURRITUCK SOUNDS...DELAWARE BAY...CHESAPEAKE BAY SOUTH OF DRUM POINT...NEW YORK CITY...LONG ISLAND...LONG ISLAND SOUND...COASTAL CONNECTICUT AND RHODE ISLAND...BLOCK ISLAND...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 * NORTH OF SAGAMORE BEACH TO MERRIMACK RIVER A TROPICAL STORM WATCH IS IN EFFECT FOR... * MERRIMACK RIVER TO EASTPORT MAINE INTERESTS IN SOUTHEASTERN CANADA SHOULD MONITOR THE PROGRESS OF IRENE. HURRICANE CENTER LOCATED NEAR 32.6N 76.9W AT 27/0300Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 20 DEGREES AT 11 KT ESTIMATED MINIMUM CENTRAL PRESSURE 951 MB MAX SUSTAINED WINDS 85 KT WITH GUSTS TO 105 KT. 64 KT....... 80NE 80SE 50SW 50NW. 50 KT.......140NE 125SE 80SW 90NW. 34 KT.......250NE 225SE 140SW 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 32.6N 76.9W AT 27/0300Z AT 27/0000Z CENTER WAS LOCATED NEAR 32.1N 77.2W FORECAST VALID 27/1200Z 34.2N 76.4W MAX WIND 80 KT...GUSTS 100 KT. 64 KT... 80NE 80SE 50SW 50NW. 50 KT...140NE 125SE 80SW 90NW. 34 KT...250NE 225SE 140SW 175NW. FORECAST VALID 28/0000Z 36.7N 75.5W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 80NE 80SE 50SW 45NW. 50 KT...140NE 125SE 80SW 60NW. 34 KT...250NE 225SE 140SW 150NW. FORECAST VALID 28/1200Z 39.8N 74.0W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 80NE 80SE 50SW 45NW. 50 KT...140NE 125SE 80SW 60NW. 34 KT...250NE 225SE 140SW 125NW. FORECAST VALID 29/0000Z 43.8N 71.3W...INLAND MAX WIND 60 KT...GUSTS 75 KT. 50 KT...120NE 120SE 75SW 40NW. 34 KT...270NE 240SE 140SW 110NW. FORECAST VALID 30/0000Z 52.0N 62.0W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. 34 KT...240NE 270SE 90SW 0NW. 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 31/0000Z 56.5N 46.0W...POST-TROP/EXTRATROP MAX WIND 40 KT...GUSTS 50 KT. OUTLOOK VALID 01/0000Z 57.5N 26.0W...POST-TROP/EXTRATROP MAX WIND 35 KT...GUSTS 45 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 32.6N 76.9W NEXT ADVISORY AT 27/0900Z $$ FORECASTER STEWART |