Mike Wilhelm's Alabama Weather Blog

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Bamawx.com

BULLETIN
HURRICANE GUSTAV INTERMEDIATE ADVISORY NUMBER  25A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL072008
800 PM EDT SAT AUG 30 2008

...GUSTAV MAKES LANDFALL IN WESTERN MAINLAND CUBA...

A HURRICANE WATCH REMAINS IN EFFECT FOR THE NORTHERN GULF COAST FROM
EAST OF HIGH ISLAND TEXAS EASTWARD TO THE ALABAMA-FLORIDA BORDER...
INCLUDING THE CITY OF NEW ORLEANS AND LAKE PONTCHARTRAIN.  A
HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN
THE WATCH AREA...GENERALLY WITHIN 36 HOURS.

A TROPICAL STORM WATCH REMAINS IN EFFECT ALONG THE PANHANDLE COAST
OF FLORIDA FROM EAST OF THE ALABAMA-FLORIDA BORDER EASTWARD TO THE
OCHLOCKONEE RIVER.  A TROPICAL STORM WATCH MEANS THAT TROPICAL
STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY
WITHIN 36 HOURS.

AT 800 PM EDT...0000Z...THE EYE OF HURRICANE GUSTAV WAS LOCATED
NEAR LATITUDE 22.7 NORTH...LONGITUDE 83.4 WEST.  THIS POSITION IS
OVER WESTERN CUBA NEAR LOS PALACIOS AND ABOUT 65 MILES...105 KM...
WEST-SOUTHWEST OF HAVANA.  DO NOT VENTURE OUTSIDE DURING THE
PASSAGE OF THE EYE...SINCE WINDS WILL SOON RAPIDLY INCREASE AS
EYEWALL AGAIN PASSES.  THE EYE IS ALSO CURRENTLY CENTERED ABOUT 570
MILES...915 KM...SOUTHEAST OF THE NORTH-CENTRAL
GULF OF MEXICO COAST.

GUSTAV IS MOVING TOWARD THE NORTHWEST NEAR 15 MPH...24 KM/HR...AND
THIS GENERAL MOTION IS EXPECTED TO CONTINUE DURING THE NEXT COUPLE
OF DAYS.  ON THIS TRACK...THE CENTER OF GUSTAV WILL EMERGE INTO THE
SOUTHEASTERN GULF OF MEXICO DURING THE NEXT FEW HOURS...AND REACH
THE NORTHERN GULF ON MONDAY.

MAXIMUM SUSTAINED WINDS REMAIN NEAR 150 MPH...240 KM/HR...WITH
HIGHER GUSTS.  GUSTAV IS AN EXTREMELY DANGEROUS CATEGORY FOUR
HURRICANE ON THE SAFFIR-SIMPSON HURRICANE SCALE.  THERE ARE
UNOFFICIAL REPORTS FROM PINAR DEL RIO PROVINCE OF WINDS NEAR THESE
ESTIMATES.  SOME FLUCTUATIONS WITH AN OVERALL SLIGHT STRENGTHENING
IS FORECAST DURING THE NEXT 24 HOURS...AND GUSTAV COULD REACH
CATEGORY FIVE INTENSITY DURING THIS PERIOD. GUSTAV IS FORECAST TO
REMAIN A MAJOR HURRICANE THROUGH LANDFALL ALONG THE NORTHERN GULF
COAST.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM.

THE MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE
HURRICANE HUNTER AIRCRAFT AS GUSTAV WAS MAKING LANDFALL WAS 941
MB...27.79 INCHES.

FORECASTER BEVEN

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