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| #9658 (Received by flhurricane at: 4:38 AM 23.Sep.2004) TCMAT4 TROPICAL STORM IVAN FORECAST/ADVISORY NUMBER 69 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL092004 0900Z THU SEP 23 2004 A TROPICAL STORM WARNING REMAINS IN EFFECT FOR A PORTION OF THE GULF OF MEXICO COAST FROM THE MOUTH OF THE MISSISSIPPI RIVER LOUISIANA WESTWARD TO SARGENT TEXAS. TROPICAL STORM CENTER LOCATED NEAR 28.2N 91.6W AT 23/0900Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT 13 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT. 34 KT....... 75NE 50SE 0SW 0NW. 12 FT SEAS..150NE 150SE 100SW 100NW. 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 28.2N 91.6W AT 23/0900Z AT 23/0600Z CENTER WAS LOCATED NEAR 27.9N 91.0W FORECAST VALID 23/1800Z 29.2N 93.4W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 75NE 75SE 25SW 50NW. FORECAST VALID 24/0600Z 30.1N 95.0W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 75NE 75SE 25SW 50NW. FORECAST VALID 24/1800Z 30.7N 96.1W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 25/0600Z 31.0N 97.0W...INLAND...DISSIPATING MAX WIND 20 KT...GUSTS 25 KT. FORECAST VALID 26/0600Z 31.1N 98.0W...INLAND...REMNANT LOW MAX WIND 20 KT...GUSTS 25 KT. 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 27/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.2N 91.6W NEXT ADVISORY AT 23/1500Z FORECASTER PASCH |
