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ZCZC MIATCPAT3 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE IRENE ADVISORY NUMBER 4 NATIONAL WEATHER SERVICE MIAMI FL 5 AM EDT THU OCT 14 1999 ...IRENE NOW A HURRICANE...APPROACHING WESTERN CUBA...AND A THREAT TO FLORIDA... A HURRICANE WARNING REMAINS IN EFFECT FOR WESTERN CUBA INCLUDING THE PROVINCES OF PINAR DEL RIO...HAVANA...CIUDAD HAVANA...MATANZAS AND THE ISLE OF YOUTH. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE CAYMAN ISLANDS. THIS WARNING WILL LIKELY BE DISCONTINUED LATER THIS MORNING. A HURRICANE WATCH REMAINS IN EFFECT FOR THE LOWER AND MIDDLE FLORIDA KEYS WEST OF CRAIG KEY AND FOR THE DRY TORTUGAS. A TROPICAL STORM WARNING WILL LIKELY BE REQUIRED LATER THIS MORNING. INTERESTS IN THE FLORIDA PENINSULA SHOULD CONTINUE TO CLOSELY MONITOR THE PROGRESS OF IRENE. ADDITIONAL WATCHES...OR WARNINGS... MAY BE REQUIRED LATER TODAY. AT 5 AM EDT...0900Z...THE CENTER OF HURRICANE IRENE WAS LOCATED NEAR LATITUDE 21.6 NORTH...LONGITUDE 83.7 WEST OR ABOUT 125 MILES...205 KM...SOUTHWEST OF HAVANA CUBA. IRENE IS MOVING TOWARD THE NORTH NEAR 7 MPH...11 KM/HR. ON THIS TRACK...IRENE WILL CROSS WESTERN CUBA LATER TODAY. MAXIMUM SUSTAINED WINDS ARE NOW NEAR 75 MPH...120 KM/HR...WITH HIGHER GUSTS. SOME ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 15 MILES... 30 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES...185 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 995 MB...29.38 INCHES. HEAVY RAINS OF 6 TO 12 INCHES...WITH LOCALLY HIGHER AMOUNTS...ARE EXPECTED ALONG THE PATH OF IRENE. REPEATING THE 5 AM EDT POSITION...21.6 N... 83.7 W. MOVEMENT TOWARD...NORTH NEAR 7 MPH. MAXIMUM SUSTAINED WINDS... 75 MPH. MINIMUM CENTRAL PRESSURE... 995 MB. AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 8 AM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 11 AM EDT. GUINEY STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC. NNNN