ZCZC MIATCDEP2 ALL TTAA00 KNHC DDHHMM POST-TROPICAL CYCLONE ROSA DISCUSSION NUMBER 23 NWS NATIONAL HURRICANE CENTER MIAMI FL EP172012 100 PM PST SUN NOV 04 2012 ROSA HAS BEEN WITHOUT ORGANIZED DEEP CONVECTION FOR SOME TIME...AND THE SMALL AREA OF THUNDERSTORMS THAT DEVELOPED THIS MORNING HAS SINCE DISSIPATED. THE SYSTEM IS NOW A SWIRL OF LOW CLOUDS AND NO LONGER QUALIFIES AS A TROPICAL CYCLONE. BASED ON THIS...ROSA IS DECLARED A REMNANT LOW AND THIS IS THE FINAL NHC ADVISORY ON THIS SYSTEM. A 1724 UTC ASCAT PASS INDICATED THAT THE MAXIMUM WINDS WERE AROUND 25 KT. THE LOW SHOULD CONTINUE TO SPIN DOWN DURING THE NEXT COUPLE OF DAYS AS IT REMAINS IN AN AREA OF STRONG SOUTHWESTERLY UPPER-LEVEL WINDS. ROSA HAS NOT MOVED VERY MUCH TODAY. THE MODEL GUIDANCE SUGGESTS THAT THE CYCLONE SHOULD BEGIN TO MOVE SLOWLY WESTWARD OR WEST- NORTHWESTWARD AS THE LOW-LEVEL TRADE WINDS STRENGTHEN DURING THE NEXT COUPLE OF DAYS. THE NHC TRACK HAS BEEN ADJUSTED A LITTLE NORTH OF THE PREVIOUS ADVISORY TO BE IN BETTER AGREEMENT WITH THE LATEST RUNS OF THE GFS AND ECMWF MODELS. FORECAST POSITIONS AND MAX WINDS INIT 04/2100Z 12.6N 121.5W 25 KT 30 MPH...POST-TROP/REMNT LOW 12H 05/0600Z 12.9N 121.7W 25 KT 30 MPH...POST-TROP/REMNT LOW 24H 05/1800Z 13.2N 122.1W 20 KT 25 MPH...POST-TROP/REMNT LOW 36H 06/0600Z 13.4N 122.7W 20 KT 25 MPH...POST-TROP/REMNT LOW 48H 06/1800Z 13.5N 123.5W 20 KT 25 MPH...POST-TROP/REMNT LOW 72H 07/1800Z...DISSIPATED $$ FORECASTER BROWN NNNN
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Page last modified: Monday, 31-Dec-2012 12:10:45 UTC