000 WTPZ45 KNHC 121439 TCDEP5 HURRICANE EMILIA DISCUSSION NUMBER 20 NWS NATIONAL HURRICANE CENTER MIAMI FL EP052012 800 AM PDT THU JUL 12 2012 EMILIA HAS CONTINUED TO FLUCTUATE IN INTENSITY DURING THE PAST SEVERAL HOURS...AND SATELLITE ESTIMATES INDICATE THAT THE WINDS ARE AGAIN 100 KNOTS. THE HURRICANE HAS A DISTINCT WARM EYE SURROUNDED BY A RING OF VERY DEEP CONVECTION AND NO BANDING FEATURES. THIS ANNULAR PATTERN NORMALLY WOULD SUGGEST LITTLE CHANGE IN INTENSITY IN THE SHORT TERM. HOWEVER...COOL WATERS ARE NEARBY...AND EMILIA SHOULD FINALLY BEGIN TO WEAKEN LATER TODAY. THE CYCLONE IS FORECAST TO BECOME A REMNANT LOW BY THE END OF THE FORECAST PERIOD. THE SUBTROPICAL HIGH TO THE NORTH HAS EXPANDED AND HAS FORCED EMILIA TO MOVE ON A MORE WESTWARD TRACK...270 DEGREES AT 10 KNOTS. THE SUBTROPICAL HIGH IS FORECAST BY THE GLOBAL MODELS TO PERSIST OR EVEN STRENGTHEN A LITTLE. THIS PATTERN WOULD RESULT IN A GENERAL WESTWARD MOTION UNTIL DISSIPATION. THE OFFICIAL FORECAST WAS ADJUSTED A LITTLE BIT SOUTHWARD AND IS NOW ON THE SOUTHERN EDGE OF THE GUIDANCE ENVELOPE IN BETWEEN THE GFS AND THE ECMWF. FORECAST POSITIONS AND MAX WINDS INIT 12/1500Z 15.1N 121.4W 100 KT 115 MPH 12H 13/0000Z 15.3N 123.0W 85 KT 100 MPH 24H 13/1200Z 15.5N 125.5W 75 KT 85 MPH 36H 14/0000Z 16.0N 128.0W 60 KT 70 MPH 48H 14/1200Z 16.0N 130.5W 45 KT 50 MPH 72H 15/1200Z 16.0N 136.0W 35 KT 40 MPH 96H 16/1200Z 16.0N 141.0W 25 KT 30 MPH...POST-TROP/REMNT LOW 120H 17/1200Z 16.0N 146.0W 20 KT 25 MPH...POST-TROP/REMNT LOW $$ FORECASTER AVILA