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BULLETIN
TROPICAL STORM GABRIELLE ADVISORY NUMBER 29
NATIONAL WEATHER SERVICE MIAMI FL
5 PM AST TUE SEP 18 2001
...GABRIELLE STRENGTHENING SLIGHTLY OVER THE NORTH ATLANTIC
SHIPPING LANES...
THE CANADIAN WEATHER SERVICE HAS ISSUED A STORM WARNING FOR THE
SOUTHERN GRAND BANKS OF NEWFOUNDLAND...AND A GALE WARNING FOR
SOUTHEAST NEWFOUNDLAND.
AT 5 PM AST...2100Z...THE CENTER OF TROPICAL STORM GABRIELLE
WAS LOCATED NEAR LATITUDE 40.6 NORTH...LONGITUDE 58.4 WEST
OR ABOUT 245 MILES...390 KM...SOUTH-SOUTHEAST OF SABLE ISLAND
NOVA SCOTIA.
GABRIELLE IS MOVING TOWARD THE NORTHEAST NEAR 20 MPH
...32 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE
FOR THE NEXT 24 HOURS WITH A GRADUAL INCREASE IN FORWARD SPEED.
MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER
GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT
24 HOURS. HOWEVER...GABRIELLE IS EXPECTED TO TRANSITION TO AN
EXTRATROPICAL LOW PRESSURE SYSTEM TONIGHT OR WEDNESDAY AS IT
CONTINUES TO INTERACT WITH A COLD FRONT AND MOVES OVER COLDER WATER.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES
...465 KM FROM THE CENTER.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 980 MB...28.94 INCHES...BASED
ON NEARBY SHIP REPORTS.
THE CANADIAN WEATHER SERVICE HAS ISSUED A HEAVY RAINFALL WARNING FOR
THE AVALON PENINSULA WHERE 4 TO 5 INCHES...100 TO 125 MILLIMETERS...
OF RAINFALL ARE POSSIBLE.
REPEATING THE 5 PM AST POSITION...40.6 N... 58.4 W. MOVEMENT
TOWARD...NORTHEAST NEAR 20 MPH. MAXIMUM SUSTAINED
WINDS... 70 MPH. MINIMUM CENTRAL PRESSURE... 980 MB.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER
AT 11 PM AST.
FORECASTER STEWART/HOLWEG
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