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| #469030 (Received by flhurricane at: 5:08 PM 28.Oct.2011) TCDAT3 POST-TROPICAL CYCLONE RINA DISCUSSION NUMBER 23 NWS NATIONAL HURRICANE CENTER MIAMI FL AL182011 400 PM CDT FRI OCT 28 2011 AN ASCAT OVERPASS NEAR 1600 UTC SHOWED THAT THE CIRCULATION OF RINA HAS BECOME LESS ORGANIZED. A SMALL AREA OF 25-KT WINDS WAS LOCATED ABOUT 60 N MI EAST OF THE CENTER...WITH WINDS OF 15 KT OR LESS IN MUCH OF THE REMAINDER OF THE CIRCULATION. IN ADDITION...THE CIRCULATION IS BECOMING EMBEDDED IN A NORTH-SOUTH TROUGH OF LOW PRESSURE EXTENDING FROM THE EAST CENTRAL GULF OF MEXICO INTO THE NORTHWESTERN CARIBBEAN. THERE HAS BEEN NO ORGANIZED CENTRAL CONVECTION FOR ABOUT 15 HOURS NEAR THE SURFACE CIRCULATION OF RINA. BASED ON THIS INFORMATION...RINA HAS DEGENERATED INTO A REMNANT AREA OF LOW PRESSURE. REGENERATION IS NOT EXPECTED DUE TO CONTINUING STRONG VERTICAL WIND SHEAR AND DRY AIR ENTRAINMENT. THE INITIAL MOTION IS NOW 060/4. THE REMNANTS OF RINA ARE EXPECTED TO TURN SOUTHEASTWARD AND SOUTHWARD DURING THE NEXT 48 HOURS... FOLLOWED BY A SOUTH-SOUTHWESTERLY MOTION UNTIL DISSIPATION OCCURS. THIS IS THE LAST ADVISORY ON RINA BY THE NATIONAL HURRICANE CENTER. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. FORECAST POSITIONS AND MAX WINDS INIT 28/2100Z 21.9N 86.1W 25 KT 30 MPH...POST-TROP/REMNT LOW 12H 29/0600Z 22.1N 85.5W 25 KT 30 MPH...POST-TROP/REMNT LOW 24H 29/1800Z 21.7N 85.0W 25 KT 30 MPH...POST-TROP/REMNT LOW 36H 30/0600Z 21.0N 85.0W 20 KT 25 MPH...POST-TROP/REMNT LOW 48H 30/1800Z 20.5N 85.5W 20 KT 25 MPH...POST-TROP/REMNT LOW 72H 31/1800Z 19.0N 86.5W 20 KT 25 MPH...POST-TROP/REMNT LOW 96H 01/1800Z...DISSIPATED $$ FORECASTER BEVEN |
