759  
WTNT43 KNHC 101444  
TCDAT3  
 
POST-TROPICAL CYCLONE GABRIELLE DISCUSSION NUMBER 29  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL082019  
ISSUED BY THE NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
1100 AM AST TUE SEP 10 2019  
 
GABRIELLE HAS NOW COMPLETED ITS TRANSITION TO AN EXTRATROPICAL  
CYCLONE THIS MORNING BASED ON THE LATEST GOES-16 SATELLITE IMAGERY.  
THE CENTER OF THE STORM HAS NOW BECOME EXPOSED WITH CONVECTION  
DISPLACED TO THE NORTH OF THE CENTER, AND A WELL-DEFINED BAROCLINIC  
ZONE HAS BECOME ESTABLISHED IN ASSOCIATION WITH THE LOW CENTER.  
THUS GABRIELLE IS NOW AN EXTRATROPICAL LOW, AND THIS IS THE LATEST  
ADVISORY ON THIS SYSTEM. THE INTENSITY REMAINS 45 KNOTS BASED ON  
SCATTEROMETER DATA AND TAFB DVORAK INTENSITY ESTIMATES. MODELS ARE  
IN EXCELLENT AGREEMENT THAT THE CYCLONE WILL MOVE NORTHEASTWARD AND  
SLOWLY WEAKEN THROUGH MIDWEEK WITH THE SYSTEM EVOLVING INTO AN OPEN  
TROUGH AND DISSIPATING BEYOND 36 HOURS PRIOR TO REACHING THE BRITISH  
ISLES.  
 
FORECAST POSITIONS AND MAX WINDS  
 
INIT 10/1500Z 43.9N 37.8W 45 KT 50 MPH...POST-TROPICAL  
12H 11/0000Z 45.9N 33.4W 40 KT 45 MPH...POST-TROP/EXTRATROP  
24H 11/1200Z 49.2N 25.7W 35 KT 40 MPH...POST-TROP/EXTRATROP  
36H 12/0000Z 52.5N 16.5W 25 KT 30 MPH...POST-TROP/EXTRATROP  
48H 12/1200Z...DISSIPATED  
 

 
FORECASTER HAMRICK/BLAKE  
 
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