ZCZC MIATCMAT1 ALL TTAA00 KNHC DDHHMM HURRICANE IGOR SPECIAL FORECAST/ADVISORY NUMBER 18 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 1830 UTC SUN SEP 12 2010 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. HURRICANE CENTER LOCATED NEAR 17.7N 46.1W AT 12/1830Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 12 KT ESTIMATED MINIMUM CENTRAL PRESSURE 950 MB EYE DIAMETER 20 NM MAX SUSTAINED WINDS 115 KT WITH GUSTS TO 140 KT. 64 KT....... 35NE 30SE 30SW 35NW. 50 KT....... 70NE 55SE 45SW 60NW. 34 KT.......140NE 110SE 90SW 130NW. 12 FT SEAS..240NE 60SE 60SW 120NW. 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 17.7N 46.1W AT 12/1830Z AT 12/1200Z CENTER WAS LOCATED NEAR 17.7N 44.9W FORECAST VALID 13/0000Z 17.8N 47.5W MAX WIND 125 KT...GUSTS 155 KT. 64 KT... 40NE 35SE 35SW 40NW. 50 KT...100NE 80SE 70SW 80NW. 34 KT...180NE 150SE 120SW 150NW. FORECAST VALID 13/1200Z 18.0N 49.8W MAX WIND 125 KT...GUSTS 155 KT. 64 KT... 40NE 35SE 35SW 40NW. 50 KT...100NE 80SE 70SW 80NW. 34 KT...180NE 150SE 120SW 150NW. FORECAST VALID 14/0000Z 18.4N 51.8W MAX WIND 125 KT...GUSTS 155 KT. 64 KT... 40NE 35SE 35SW 40NW. 50 KT...100NE 80SE 70SW 80NW. 34 KT...180NE 150SE 120SW 150NW. FORECAST VALID 14/1200Z 19.0N 53.6W MAX WIND 130 KT...GUSTS 160 KT. 50 KT...110NE 90SE 80SW 80NW. 34 KT...190NE 160SE 130SW 160NW. FORECAST VALID 15/1200Z 20.7N 56.7W MAX WIND 130 KT...GUSTS 160 KT. 50 KT...110NE 90SE 80SW 80NW. 34 KT...190NE 160SE 130SW 160NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 200 NM ON DAY 4 AND 250 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY OUTLOOK VALID 16/1200Z 22.6N 59.6W MAX WIND 125 KT...GUSTS 155 KT. OUTLOOK VALID 17/1200Z 24.5N 62.5W MAX WIND 125 KT...GUSTS 155 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.7N 46.1W NEXT ADVISORY AT 12/2100Z $$ FORECASTER ROBERTS/BRENNAN NNNN
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