Flhurricane.com - Central Florida Hurricane Center - Tracking Storms since 1995Hurricanes Without the Hype! Since 1995
The Atlantic is quiet
|
Show Selection: |
| #471877 (Received by flhurricane at: 3:47 AM 11.Nov.2011) TCDAT4 TROPICAL STORM SEAN DISCUSSION NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192011 500 AM AST FRI NOV 11 2011 SEAN IS SHOWING A SHEARED CLOUD PATTERN IN INFRARED AND TRMM MICROWAVE SATELLITE IMAGERY THIS MORNING...WITH THE LOW-LEVEL CENTER NEAR THE WESTERN EDGE OF THE CONVECTIVE OVERCAST. WHILE SUBJECTIVE SATELLITE INTENSITY ESTIMATES FROM SAB AND TAFB ARE UNCHANGED SINCE THE PREVIOUS ADVISORY...INTENSITY ESTIMATES FROM THE AMSU MICROWAVE SOUNDER AND THE CIMSS ADVANCED DVORAK TECHNIQUE HAVE DECREASED A LITTLE DURING THE PAST 6-12 HOURS. IN ADDITION... AN ASCAT OVERPASS NEAR 0200 UTC SHOWED WINDS NEAR 45 KT IN THE SOUTHEASTERN QUADRANT. BASED ON THESE DATA...THE INITIAL INTENSITY IS DECREASED TO 50 KT. LITTLE CHANGE IN STRENGTH IS LIKELY BEFORE SEAN GETS ABSORBED BY A FRONTAL SYSTEM IN 18-24 HOURS. SEAN IS ACCELERATING TOWARD THE NORTHEAST ON THE SOUTH SIDE OF A DEVELOPING DEEP-LAYER CYCLONE OVER NEW ENGLAND AND THE CANADIAN MARITIMES...WITH THE INITIAL MOTION NOW 050/19. AN EVEN FASTER MOTION TOWARD THE NORTHEAST IS EXPECTED DURING THE REMAINDER OF THE LIFE OF THE CYCLONE. THE WIND RADII HAVE BEEN REVISED BASED ON THE ASCAT DATA. FORECAST POSITIONS AND MAX WINDS INIT 11/0900Z 32.9N 66.3W 50 KT 60 MPH 12H 11/1800Z 35.2N 62.8W 50 KT 60 MPH 24H 12/0600Z...ABSORBED BY FRONTAL SYSTEM. $$ FORECASTER BEVEN |
