000 WTPZ42 KNHC 220233 TCDEP2 HURRICANE RAYMOND DISCUSSION NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL EP172013 800 PM PDT MON OCT 21 2013 THE EYE OF RAYMOND HAS BECOME A LITTLE LESS DISTINCT IN INFRARED SATELLITE IMAGERY THIS EVENING AS SOME MID- TO HIGH-LEVEL CLOUDS HAVE OBSCURED IT A BIT. HOWEVER...THE EYE IS STILL VERY WELL DEFINED IN THE MOST RECENT MICROWAVE IMAGERY FROM AROUND 0000 UTC. SUBJECTIVE AND OBJECTIVE DVORAK DATA T-NUMBERS HAVE DECREASED A LITTLE...AND THE INITIAL WIND SPEED IS LOWERED SLIGHTLY TO 105 KT. ALTHOUGH RAYMOND HAS LIKELY PEAKED IN INTENSITY...SOME FLUCTUATIONS IN STRENGTH ARE POSSIBLE DURING THE NEXT 12 HOURS OR SO AS AN EYEWALL REPLACEMENT COULD OCCUR. THE INTENSITY GUIDANCE SUGGESTS THAT THE HURRICANE WILL GRADUALLY WEAKEN ON TUESDAY...AND BY WEDNESDAY SOME SOUTHWESTERLY SHEAR IS LIKELY TO CAUSE AN ADDITIONAL DECREASE IN STRENGTH. HOWEVER....RAYMOND IS FORECAST TO REMAIN AT HURRICANE STRENGTH THROUGHOUT THE 5-DAY FORECAST PERIOD...AND THE NHC INTENSITY PREDICTION IS IN CLOSE AGREEMENT WITH THE STATISTICAL SHIPS AND LGEM GUIDANCE. ALTHOUGH RAYMOND HAS BEEN DRIFTING EASTWARD SINCE THE RELEASE OF THE PREVIOUS ADVISORY...LITTLE OVERALL MOTION IS EXPECTED DURING THE NEXT 12 TO 24 HOURS. AFTER THAT TIME...A MID- TO UPPER-LEVEL TROUGH OVER THE CENTRAL AND EASTERN UNITED STATES IS FORECAST TO LIFT OUT...ALLOWING A RIDGE TO BUILD TO THE NORTH OF THE HURRICANE. THIS SHOULD CAUSE RAYMOND TO TURN WESTWARD...WITH A WEST TO WEST-SOUTHWEST MOTION CONTINUING THROUGH THE REMAINDER OF THE PERIOD. THE TRACK GUIDANCE IS IN A LITTLE BETTER AGREEMENT THIS CYCLE ON THIS GENERAL SCENARIO...ALTHOUGH THERE REMAINS SOME DIFFERENCES ON HOW CLOSE RAYMOND GETS TO THE COAST OF MEXICO IN THE SHORT TERM...AND HOW FAST THE STORM MOVES ONCE IT TURNS WESTWARD IN A COUPLE OF DAYS. THE NHC FORECAST IS NEAR THE CONSENSUS OF THE ECMWF...GFS...HWRF...AND GFS ENSEMBLE MEAN...AND IS ALSO SIMILAR TO THE PREVIOUS ADVISORY. REGARDLESS OF THE EXACT TRACK OF THE HURRICANE AND HOW CLOSE IT GETS TO THE COAST...HEAVY RAINFALL WILL CONTINUE OVER SOUTH-CENTRAL MEXICO DURING THE NEXT COUPLE OF DAYS...CAUSING LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. FORECAST POSITIONS AND MAX WINDS INIT 22/0300Z 16.4N 101.9W 105 KT 120 MPH 12H 22/1200Z 16.3N 101.8W 105 KT 120 MPH 24H 23/0000Z 16.2N 101.8W 100 KT 115 MPH 36H 23/1200Z 16.0N 102.3W 95 KT 110 MPH 48H 24/0000Z 15.9N 103.2W 85 KT 100 MPH 72H 25/0000Z 15.8N 105.8W 75 KT 85 MPH 96H 26/0000Z 15.5N 108.5W 70 KT 80 MPH 120H 27/0000Z 15.5N 111.5W 65 KT 75 MPH $$ FORECASTER BROWN