Saturday, August 30, 2008

Hurricane Gustav Special Advisory #24 (with update)

000
WTNT32 KNHC 301805
TCPAT2
BULLETIN
HURRICANE GUSTAV SPECIAL ADVISORY NUMBER 24
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072008
200 PM EDT SAT AUG 30 2008

...GUSTAV BECOMES AN EXTREMELY DANGEROUS CATEGORY FOUR HURRICANE...
...WESTERN EYEWALL DIRECTLY IMPACTING THE ISLE OF YOUTH...

A HURRICANE WARNING REMAINS IN EFFECT FOR THE CUBAN PROVINCES OF PINAR DEL RIO...LA HABANA...CIUDAD DE LA HABANA...ISLA DE JUVENTUD...MATANZAS...AND CIENFUEGOS. PREPARATIONS TO PROTECT LIFE AND PROPERTY IN THE HURRICANE WARNING AREA SHOULD HAVE ALREADY BEEN COMPLETED.

A HURRICANE WATCH REMAINS IN EFFECT FOR THE CENTRAL CUBAN PROVINCE OF VILLA CLARA.

A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE CENTRAL CUBAN PROVINCES OF VILLA CLARA...SANCTI SPIRITUS...CIEGO DE AVILA...AND CAMAGUEY...AND FOR THE LOWER FLORIDA KEYS WEST OF THE SEVEN MILE BRIDGE TO DRY TORTUGAS.

INTERESTS IN THE GULF OF MEXICO AND THE NORTHERN GULF COAST SHOULD CLOSELY MONITOR THE PROGRESS OF GUSTAV. A HURRICANE WATCH COULD BE ISSUED FOR PORTIONS OF THE NORTHERN GULF COAST LATER TODAY.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.

AT 200 PM EDT...1800Z...THE EYE OF HURRICANE GUSTAV WAS LOCATED NEAR LATITUDE 21.6 NORTH...LONGITUDE 82.5 WEST...NEAR THE ISLE OF YOUTH...OR ABOUT 155 MILES...250 KM...EAST OF THE WESTERN TIP OF CUBA AND ABOUT 110 MILES...180 KM...SOUTH OF HAVANA CUBA.

GUSTAV IS MOVING TOWARD THE NORTHWEST NEAR 14 MPH...22 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE DURING THE NEXT COUPLE OF DAYS. ON THIS TRACK...THE CENTER OF GUSTAV WILL PASS OVER WESTERN PORTIONS OF CUBA TODAY AND TONIGHT...THEN EMERGE OVER THE SOUTHERN GULF OF MEXICO EARLY ON SUNDAY...AND REACH THE NORTHERN GULF BY MONDAY MORNING.

DATA FROM AN AIR FORCE RECONNAISSANCE AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS HAVE CONTINUED TO INCREASE AND ARE NOW NEAR 145 MPH...230 KM/HR...WITH HIGHER GUSTS. GUSTAV IS AN EXTREMELY DANGEROUS CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON HURRICANE SCALE. AN UNOFFICIAL OBSERVATION OF A SUSTAINED WIND OF 140 MPH...220 KM/HR...HAS BEEN REPORTED ALONG THE EASTERN COAST OF THE ISLE OF YOUTH. SOME ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT COUPLE OF DAYS...AND GUSTAV COULD BECOME A CATEGORY FIVE HURRICANE EITHER BEFORE OR SHORTLY AFTER CROSSING WESTERN CUBA.

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 RECENTLY REPORTED BY AN AIR FORCE RECONNAISSANCE AIRCRAFT WAS 945 MB...27.91 INCHES.

COASTAL STORM SURGE FLOODING OF 18 TO 23 FEET ABOVE NORMAL TIDE LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...IS POSSIBLE NEAR WHERE THE CENTER OF GUSTAV CROSSES WESTERN CUBA...INCLUDING THE ISLE OF YOUTH. STORM SURGE OF 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS IS POSSIBLE IN THE DRY TORTUGAS AS GUSTAV PASSES TO ITS WEST.

GUSTAV IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 6 TO 12 INCHES ACROSS THE CAYMAN ISLANDS...AND CENTRAL AND WESTERN CUBA...WITH ISOLATED MAXIMUM AMOUNTS OF UP TO 25 INCHES POSSIBLE. THESE RAINS WILL LIKELY PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. RAINFALL OF 1 TO 3 INCHES IS POSSIBLE OVER FLORIDA KEYS AND EXTREME SOUTH FLORIDA BY SUNDAY MORNING.

REPEATING THE 200 PM EDT POSITION...21.6 N...82.5 W. MOVEMENT TOWARD...NORTHWEST NEAR 14 MPH. MAXIMUM SUSTAINED WINDS...145 MPH. MINIMUM CENTRAL PRESSURE...945 MB.

THE NEXT COMPLETE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 500 PM EDT.
$$
FORECASTER KNABB


000
WTNT82 KNHC 301803
TCVAT2

GUSTAV WATCH/WARNING BREAKPOINTS/ADVISORY NUMBER 24
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072008
200 PM EDT SAT AUG 30 2008

.HURRICANE GUSTAV

FLZ078-302100-
/O.CON.KNHC.TR.W.1007.000000T0000Z-000000T0000Z/
200 PM EDT SAT AUG 30 2008

DRY-TORTUGAS-FL 24.66N 82.86W
SEVEN-MILE-BRIDGE-FL 24.70N 81.14W

$$

ATTN...WFO...KEY...