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#453106 (Received by flhurricane at: 4:52 AM 25.Aug.2011) TCMAT4 HURRICANE IRENE FORECAST/ADVISORY NUMBER 20 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011 0900 UTC THU AUG 25 2011 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A HURRICANE WATCH HAS BEEN ISSUED FOR THE NORTH CAROLINA COAST FROM NORTH OF SURF CITY TO THE NORTH CAROLINA-VIRGINIA BORDER INCLUDING THE PAMLICO...ALBEMARLE...AND CURRITUCK SOUNDS. A TROPICAL STORM WATCH HAS BEEN ISSUED FROM NORTH OF EDISTO BEACH SOUTH CAROLINA TO SURF CITY NORTH CAROLINA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * THE SOUTHEASTERN...CENTRAL...AND NORTHWESTERN BAHAMAS A HURRICANE WATCH IS IN EFFECT FOR... * NORTH OF SURF CITY NORTH CAROLINA TO THE NORTH CAROLINA-VIRGINIA BORDER INCLUDING THE PAMLICO...ALBEMARLE...AND CURRITUCK SOUNDS A TROPICAL STORM WATCH IS IN EFFECT FOR... * NORTH OF EDISTO BEACH SOUTH CAROLINA TO SURF CITY NORTH CAROLINA HURRICANE CENTER LOCATED NEAR 24.6N 76.2W AT 25/0900Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 315 DEGREES AT 10 KT ESTIMATED MINIMUM CENTRAL PRESSURE 950 MB MAX SUSTAINED WINDS 100 KT WITH GUSTS TO 120 KT. 64 KT....... 60NE 60SE 25SW 50NW. 50 KT.......100NE 100SE 50SW 70NW. 34 KT.......220NE 180SE 100SW 130NW. 12 FT SEAS..270NE 240SE 90SW 240NW. 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 24.6N 76.2W AT 25/0900Z AT 25/0600Z CENTER WAS LOCATED NEAR 24.1N 75.9W FORECAST VALID 25/1800Z 26.1N 77.1W MAX WIND 110 KT...GUSTS 135 KT. 64 KT... 60NE 60SE 25SW 50NW. 50 KT...100NE 100SE 50SW 70NW. 34 KT...220NE 180SE 100SW 130NW. FORECAST VALID 26/0600Z 28.2N 77.7W MAX WIND 115 KT...GUSTS 140 KT. 64 KT... 60NE 60SE 25SW 50NW. 50 KT...100NE 100SE 50SW 70NW. 34 KT...220NE 180SE 100SW 130NW. FORECAST VALID 26/1800Z 30.4N 77.5W MAX WIND 110 KT...GUSTS 135 KT. 64 KT... 60NE 60SE 25SW 50NW. 50 KT...100NE 100SE 50SW 70NW. 34 KT...220NE 180SE 100SW 130NW. FORECAST VALID 27/0600Z 32.3N 77.1W MAX WIND 100 KT...GUSTS 120 KT. 50 KT...100NE 100SE 60SW 90NW. 34 KT...240NE 240SE 100SW 150NW. FORECAST VALID 28/0600Z 36.3N 75.4W MAX WIND 90 KT...GUSTS 110 KT. 50 KT...100NE 100SE 60SW 90NW. 34 KT...240NE 240SE 90SW 150NW. 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 29/0600Z 42.5N 72.5W...INLAND MAX WIND 60 KT...GUSTS 75 KT. OUTLOOK VALID 30/0600Z 51.0N 67.0W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 24.6N 76.2W NEXT ADVISORY AT 25/1500Z $$ FORECASTER PASCH/KIMBERLAIN |