ZCZC MIATCDEP2 ALL TTAA00 KNHC DDHHMM TROPICAL DEPRESSION RAYMOND DISCUSSION NUMBER 42 NWS NATIONAL HURRICANE CENTER MIAMI FL EP172013 200 AM PDT WED OCT 30 2013 RAYMOND HAS DECOUPLED OVERNIGHT AS THE LOW-LEVEL CENTER IS NOW LOCATED A COUPLE OF HUNDRED NAUTICAL MILES TO THE SOUTHWEST OF A SMALL AREA DEEP CONVECTION ASSOCIATED WITH THE REMNANTS OF THE MID-LEVEL CIRCULATION. RECENT MICROWAVE DATA SUGGESTS THAT THE LOW-LEVEL CIRCULATION HAS ALSO BECOME QUITE ELONGATED...AND POSSIBLY LOCATED A LITTLE EAST OF THE EARLIER CENTER ESTIMATES. THE INITIAL WIND SPEED IS LOWERED TO 30 KT...WHICH IS A BLEND OF THE MOST RECENT DVORAK FINAL-T AND CURRENT INTENSITY NUMBERS. STRONG SHEAR...DECREASING SEA SURFACE TEMPERATURES...AND DRY AIR MAKE IT UNLIKELY THAT ORGANIZED DEEP CONVECTION WILL RETURN....AND THE SYSTEM IS EXPECTED TO BECOME A REMNANT LOW VERY SOON. THE REMNANT CIRCULATION WILL CONTINUE TO WEAKEN DURING THE NEXT DAY OR TWO...AND IT SHOULD DISSIPATE ENTIRELY WITHIN 2 TO 3 DAYS. THE INITIAL MOTION ESTIMATE IS 035/5. THE CYCLONE SHOULD MOVE NORTHEASTERLY TODAY...THEN TURN NORTHWARD AND DECELERATE AS IT MOVES INTO AN AREA OF WEAK STEERING FLOW. THE NEW NHC TRACK FORECAST IS ESSENTIALLY AN UPDATE OF THE PREVIOUS ADVISORY. FORECAST POSITIONS AND MAX WINDS INIT 30/0900Z 19.6N 115.7W 30 KT 35 MPH 12H 30/1800Z 20.1N 115.3W 25 KT 30 MPH...POST-TROP/REMNT LOW 24H 31/0600Z 20.5N 115.0W 20 KT 25 MPH...POST-TROP/REMNT LOW 36H 31/1800Z 20.8N 115.0W 20 KT 25 MPH...POST-TROP/REMNT LOW 48H 01/0600Z 21.0N 115.0W 20 KT 25 MPH...POST-TROP/REMNT LOW 72H 02/0600Z...DISSIPATED $$ FORECASTER BROWN NNNN
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Page last modified: Monday, 07-Apr-2014 23:29:39 UTC