Hurricane.com - Advisory
Expires:No;;388900 WTNT33 KNHC 282035 TCPAT3 BULLETIN POST-TROPICAL CYCLONE RINA ADVISORY NUMBER 23 NWS NATIONAL HURRICANE CENTER MIAMI FL AL182011 400 PM CDT FRI OCT 28 2011 ...RINA DEGENERATES TO A REMNANT LOW OVER THE YUCATAN CHANNEL... SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...21.9N 86.1W ABOUT 75 MI...125 KM W OF THE WESTERN TIP OF CUBA ABOUT 110 MI...175 KM NNE OF COZUMEL MEXICO MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 400 PM CDT...2100 UTC...THE CENTER OF POST-TROPICAL CYCLONE RINA WAS LOCATED NEAR LATITUDE 21.9 NORTH...LONGITUDE 86.1 WEST. RINA WAS MOVING TOWARD THE EAST-NORTHEAST AT 5 MPH...7 KM/H. A TURN TOWARD THE SOUTHEAST IS EXPECTED ON SATURDAY...WITH A TURN TOWARD THE SOUTH EXPECTED ON SUNDAY. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 30 MPH...45 KM/H... WITH HIGHER GUSTS. SATELLITE DATA AND SURFACE OBSERVATIONS INDICATE THAT RINA HAS DEGENERATED INTO A REMNANT LOW PRESSURE AREA...AND CONTINUED WEAKENING IS EXPECTED DURING THE NEXT 48 HOURS. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1007 MB...29.74 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE. NEXT ADVISORY ------------- THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON THIS SYSTEM. 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. $$ FORECASTER BEVEN
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Expires:No;;389002 WTNT43 KNHC 282036 TCDAT3 POST-TROPICAL CYCLONE RINA DISCUSSION NUMBER 23 NWS NATIONAL HURRICANE CENTER MIAMI FL AL182011 400 PM CDT FRI OCT 28 2011 AN ASCAT OVERPASS NEAR 1600 UTC SHOWED THAT THE CIRCULATION OF RINA HAS BECOME LESS ORGANIZED. A SMALL AREA OF 25-KT WINDS WAS LOCATED ABOUT 60 N MI EAST OF THE CENTER...WITH WINDS OF 15 KT OR LESS IN MUCH OF THE REMAINDER OF THE CIRCULATION. IN ADDITION...THE CIRCULATION IS BECOMING EMBEDDED IN A NORTH-SOUTH TROUGH OF LOW PRESSURE EXTENDING FROM THE EAST CENTRAL GULF OF MEXICO INTO THE NORTHWESTERN CARIBBEAN. THERE HAS BEEN NO ORGANIZED CENTRAL CONVECTION FOR ABOUT 15 HOURS NEAR THE SURFACE CIRCULATION OF RINA. BASED ON THIS INFORMATION...RINA HAS DEGENERATED INTO A REMNANT AREA OF LOW PRESSURE. REGENERATION IS NOT EXPECTED DUE TO CONTINUING STRONG VERTICAL WIND SHEAR AND DRY AIR ENTRAINMENT. THE INITIAL MOTION IS NOW 060/4. THE REMNANTS OF RINA ARE EXPECTED TO TURN SOUTHEASTWARD AND SOUTHWARD DURING THE NEXT 48 HOURS... FOLLOWED BY A SOUTH-SOUTHWESTERLY MOTION UNTIL DISSIPATION OCCURS. THIS IS THE LAST ADVISORY ON RINA BY THE NATIONAL HURRICANE CENTER. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. FORECAST POSITIONS AND MAX WINDS INIT 28/2100Z 21.9N 86.1W 25 KT 30 MPH...POST-TROP/REMNT LOW 12H 29/0600Z 22.1N 85.5W 25 KT 30 MPH...POST-TROP/REMNT LOW 24H 29/1800Z 21.7N 85.0W 25 KT 30 MPH...POST-TROP/REMNT LOW 36H 30/0600Z 21.0N 85.0W 20 KT 25 MPH...POST-TROP/REMNT LOW 48H 30/1800Z 20.5N 85.5W 20 KT 25 MPH...POST-TROP/REMNT LOW 72H 31/1800Z 19.0N 86.5W 20 KT 25 MPH...POST-TROP/REMNT LOW 96H 01/1800Z...DISSIPATED $$ FORECASTER BEVEN