Show Selection: |
#542155 (Received by flhurricane at: 4:38 PM 11.Sep.2012) TCDAT3 POST-TROPICAL CYCLONE MICHAEL DISCUSSION NUMBER 35 NWS NATIONAL HURRICANE CENTER MIAMI FL AL132012 500 PM AST TUE SEP 11 2012 MICHAEL CONSISTS OF A TIGHT SWIRL OF LOW CLOUDS THAT HAS BEEN DEVOID OF DEEP CONVECTION FOR MOST OF THE DAY. GIVEN THE LACK OF THUNDERSTORM ACTIVITY MICHAEL IS NO LONGER A TROPICAL CYCLONE. SINCE THE CYCLONE IS ALREADY OVER COOL WATERS AND EMBEDDED WITHIN STRONG SHEAR...ADDITIONAL WEAKENING IS ANTICIPATED. MICHAEL IS FORECAST TO BECOME ABSORBED BY A COLD FRONT IN ABOUT 24 HOURS. THE INITIAL MOTION IS 025 DEGREES AT 27 KNOTS. MICHAEL IS BEING STEERED BY THE SOUTHERLY FLOW BETWEEN A WEAK SUBTROPICAL HIGH TO THE EAST AND A STRONG TROUGH APPROACHING FROM THE WEST. THIS WILL RESULT IN AN INCREASE IN FORWARD SPEED UNTIL THE SYSTEM BECOMES ABSORBED BY A FRONT. THIS IS THE LAST ADVISORY ON MICHAEL ISSUED BY THE NATIONAL HURRICANE CENTER. FORECAST POSITIONS AND MAX WINDS INIT 11/2100Z 41.4N 45.8W 35 KT 40 MPH...POST-TROPICAL 12H 12/0600Z 45.0N 43.0W 30 KT 35 MPH...POST-TROP/REMNT LOW 24H 12/1800Z...ABSORBED BY A COLD FRONT $$ FORECASTER AVILA |