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| #8017 (Received by flhurricane at: 10:38 AM 12.Sep.2004) TCMAT4 HURRICANE IVAN FORECAST/ADVISORY NUMBER 41 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL092004 1500Z SUN SEP 12 2004 A HURRICANE WARNING IS IN EFFECT FOR THE CAYMAN ISLANDS. A HURRICANE WARNING IS IN EFFECT FOR CUBA FROM PINAR DEL RIO TO CIEGO DE AVILA INCLUDING THE ISLE OF YOUTH. A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. A HURRICANE WATCH IS IN EFFECT FOR THE REST OF CUBA. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS. AT 11 AM EDT...1500Z...A TROPICAL STORM WATCH HAS BEEN ISSUED FOR THE FLORIDA KEYS FROM THE SEVEN MILE BRIDGE WESTWARD TO THE DRY TORTUGAS. AT 11 AM EDT...THE GOVERNMENT OF JAMAICA HAS DISCONTINUED ALL WARNINGS FOR JAMAICA. INTERESTS IN THE NORTHWESTERN CARIBBEAN SEA...AS WELL AS IN THE EASTERN GULF OF MEXICO...SHOULD CLOSELY MONITOR THE PROGRESS OF THIS EXTREMELY DANGEROUS HURRICANE. HURRICANE CENTER LOCATED NEAR 19.0N 81.5W AT 12/1500Z POSITION ACCURATE WITHIN 10 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT 8 KT ESTIMATED MINIMUM CENTRAL PRESSURE 919 MB EYE DIAMETER 15 NM MAX SUSTAINED WINDS 135 KT WITH GUSTS TO 165 KT. 64 KT....... 80NE 60SE 45SW 55NW. 50 KT.......100NE 90SE 70SW 90NW. 34 KT.......150NE 120SE 100SW 150NW. 12 FT SEAS..360NE 180SE 180SW 200NW. 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 19.0N 81.5W AT 12/1500Z AT 12/1200Z CENTER WAS LOCATED NEAR 18.8N 81.2W FORECAST VALID 13/0000Z 19.8N 82.4W MAX WIND 145 KT...GUSTS 175 KT. 64 KT... 80NE 60SE 45SW 55NW. 50 KT...100NE 90SE 70SW 90NW. 34 KT...150NE 120SE 100SW 150NW. FORECAST VALID 13/1200Z 21.3N 83.5W MAX WIND 145 KT...GUSTS 175 KT. 64 KT... 80NE 60SE 45SW 55NW. 50 KT...100NE 90SE 70SW 90NW. 34 KT...150NE 120SE 100SW 150NW. FORECAST VALID 14/0000Z 22.9N 84.4W MAX WIND 140 KT...GUSTS 170 KT. 64 KT... 60NE 60SE 60SW 60NW. 50 KT... 90NE 90SE 90SW 90NW. 34 KT...150NE 150SE 100SW 120NW. FORECAST VALID 14/1200Z 24.7N 85.0W MAX WIND 125 KT...GUSTS 155 KT. 50 KT... 90NE 90SE 90SW 90NW. 34 KT...150NE 150SE 100SW 120NW. FORECAST VALID 15/1200Z 28.3N 85.5W MAX WIND 110 KT...GUSTS 135 KT. 50 KT... 90NE 90SE 90SW 90NW. 34 KT...150NE 150SE 100SW 120NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 250 NM ON DAY 4 AND 325 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY OUTLOOK VALID 16/1200Z 32.5N 84.5W...INLAND MAX WIND 55 KT...GUSTS 65 KT. OUTLOOK VALID 17/1200Z 37.0N 81.5W...INLAND MAX WIND 25 KT...GUSTS 35 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.0N 81.5W NEXT ADVISORY AT 12/2100Z FORECASTER STEWART |
