000 WTNT43 KNHC 241821 TCDAT3 HURRICANE RINA SPECIAL DISCUSSION NUMBER 5 NWS NATIONAL HURRICANE CENTER MIAMI FL AL182011 200 PM EDT MON OCT 24 2011 SATELLITE IMAGES AND REPORTS FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE THAT RINA HAS RAPIDLY STRENGTHENED. THE AIRCRAFT REPORTED PEAK 850 MB FLIGHT-LEVEL WINDS OF 68 KT AND BELIEVABLE SFMR WINDS AROUND 65 KT. BASED ON THESE DATA THE INITIAL INTENSITY IS INCREASED TO 65 KT...MAKING RINA THE 6TH HURRICANE OF SEASON IN THE ATLANTIC BASIN. THIS SPECIAL ADVISORY HAS BEEN ISSUED TO INCREASE THE INITIAL AND FORECAST INTENSITIES FROM THE PREVIOUS FORECAST...BUT NO CHANGE TO THE TRACK WAS REQUIRED. FORECAST POSITIONS AND MAX WINDS INIT 24/1800Z 17.1N 83.0W 65 KT 75 MPH 12H 25/0000Z 17.4N 83.4W 75 KT 85 MPH 24H 25/1200Z 17.6N 84.0W 90 KT 105 MPH 36H 26/0000Z 17.8N 84.8W 100 KT 115 MPH 48H 26/1200Z 18.1N 85.7W 105 KT 120 MPH 72H 27/1200Z 19.2N 87.0W 100 KT 115 MPH 96H 28/1200Z 20.5N 87.0W 90 KT 105 MPH 120H 29/1200Z 21.0N 86.0W 80 KT 90 MPH $$ FORECASTER BROWN/ROBERTS