Hurricane Isabel

Forecast Advisory 30

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000
WTNT33 KNHC 131448
TCPAT3
BULLETIN
HURRICANE ISABEL ADVISORY NUMBER 30
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
11 AM AST SAT SEP 13 2003

...POWERFUL CATEGORY 4 HURRICANE ISABEL GETTING A LITTLE BETTER
ORGANIZED AS IT MOVES WESTWARD...

AT 11 AM AST...1500Z...THE CENTER OF HURRICANE ISABEL WAS LOCATED
NEAR LATITUDE 22.2 NORTH...LONGITUDE 61.5 WEST OR ABOUT 405 MILES
...650 KM...NORTHEAST OF SAN JUAN PUERTO RICO.

ISABEL IS MOVING TOWARD THE WEST NEAR 10 MPH...17 KM/HR...AND THIS
GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS.

MAXIMUM SUSTAINED WINDS ARE NEAR 150 MPH...240 KM/HR...WITH HIGHER
GUSTS. SOME SLIGHT STRENGTHENING IS POSSIBLE DURING THE NEXT
24 HOURS. AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT IS
SCHEDULED TO INVESTIGATE THE DANGEROUS HURRICANE THIS AFTERNOON.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 175 MILES...280 KM.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 935 MB...27.61 INCHES.

LARGE OCEAN SWELLS AND DANGEROUS SURF CONDITIONS ARE LIKELY OVER
PORTIONS OF THE LEEWARD ISLANDS...THE VIRGIN ISLANDS...PUERTO RICO
...AND THE DOMINICAN REPUBLIC OVER THE NEXT SEVERAL DAYS.

REPEATING THE 11 AM AST POSITION...22.2 N... 61.5 W. MOVEMENT
TOWARD...WEST NEAR 10 MPH. MAXIMUM SUSTAINED
WINDS...150 MPH. MINIMUM CENTRAL PRESSURE... 935 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER
AT 5 PM AST.

FORECASTER STEWART