Post by NHC Olney Maryland on Aug 31, 2008 10:21:03 GMT -5
BULLETIN
HURRICANE GUSTAV ADVISORY NUMBER 25
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL072008
500 PM EDT SAT AUG 30 2008
...GUSTAV STILL STRENGTHENING AS IT IMPACTS WESTERN CUBA...
AT 500 PM EDT...2100 UTC...A HURRICANE WATCH IS ISSUED 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.
AT 500 PM EDT...A TROPICAL STORM WATCH IS ISSUED 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.
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.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
AT 500 PM EDT...2100Z...THE EYE OF HURRICANE GUSTAV WAS LOCATED
NEAR LATITUDE 22.1 NORTH...LONGITUDE 82.9 WEST OR ABOUT 130 MILES...
210 KM...EAST-NORTHEAST OF THE WESTERN TIP OF CUBA AND ABOUT 80
MILES...135 KM...SOUTH-SOUTHWEST OF HAVANA CUBA. 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 620 MILES...1000 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 CROSS WESTERN
CUBA TONIGHT...THEN EMERGE OVER THE SOUTHERN GULF OF MEXICO EARLY
ON SUNDAY...AND REACH THE NORTHERN GULF ON MONDAY.
DATA FROM AN AIR FORCE RECONNAISSANCE AIRCRAFT INDICATE THAT MAXIMUM
SUSTAINED WINDS HAVE INCREASED TO NEAR 150 MPH...240 KM/HR...WITH
HIGHER GUSTS. GUSTAV IS AN EXTREMELY DANGEROUS CATEGORY FOUR
HURRICANE ON THE SAFFIR-SIMPSON HURRICANE SCALE. 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 RECENTLY REPORTED BY THE RECONNAISSANCE
AIRCRAFT WAS 942 MB...27.82 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 CENTRAL AND WESTERN CUBA...WITH ISOLATED MAXIMUM
AMOUNTS OF UP TO 20 INCHES POSSIBLE. THESE RAINS WILL LIKELY
PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. RAINFALL
AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE OVER FLORIDA KEYS AND EXTREME
SOUTHERN FLORIDA. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE
POSSIBLE OVER THE CAYMAN ISLANDS.
ISOLATED TORNADOES ARE POSSIBLE TONIGHT OVER THE FLORIDA KEYS AND
THE SOUTHERN FLORIDA PENINSULA.
REPEATING THE 500 PM EDT POSITION...22.1 N...82.9 W. MOVEMENT
TOWARD...NORTHWEST NEAR 15 MPH. MAXIMUM SUSTAINED WINDS...150 MPH.
MINIMUM CENTRAL PRESSURE...942 MB.
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 800 PM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100
PM EDT.
HURRICANE GUSTAV ADVISORY NUMBER 25
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL072008
500 PM EDT SAT AUG 30 2008
...GUSTAV STILL STRENGTHENING AS IT IMPACTS WESTERN CUBA...
AT 500 PM EDT...2100 UTC...A HURRICANE WATCH IS ISSUED 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.
AT 500 PM EDT...A TROPICAL STORM WATCH IS ISSUED 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.
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.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
AT 500 PM EDT...2100Z...THE EYE OF HURRICANE GUSTAV WAS LOCATED
NEAR LATITUDE 22.1 NORTH...LONGITUDE 82.9 WEST OR ABOUT 130 MILES...
210 KM...EAST-NORTHEAST OF THE WESTERN TIP OF CUBA AND ABOUT 80
MILES...135 KM...SOUTH-SOUTHWEST OF HAVANA CUBA. 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 620 MILES...1000 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 CROSS WESTERN
CUBA TONIGHT...THEN EMERGE OVER THE SOUTHERN GULF OF MEXICO EARLY
ON SUNDAY...AND REACH THE NORTHERN GULF ON MONDAY.
DATA FROM AN AIR FORCE RECONNAISSANCE AIRCRAFT INDICATE THAT MAXIMUM
SUSTAINED WINDS HAVE INCREASED TO NEAR 150 MPH...240 KM/HR...WITH
HIGHER GUSTS. GUSTAV IS AN EXTREMELY DANGEROUS CATEGORY FOUR
HURRICANE ON THE SAFFIR-SIMPSON HURRICANE SCALE. 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 RECENTLY REPORTED BY THE RECONNAISSANCE
AIRCRAFT WAS 942 MB...27.82 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 CENTRAL AND WESTERN CUBA...WITH ISOLATED MAXIMUM
AMOUNTS OF UP TO 20 INCHES POSSIBLE. THESE RAINS WILL LIKELY
PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. RAINFALL
AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE OVER FLORIDA KEYS AND EXTREME
SOUTHERN FLORIDA. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE
POSSIBLE OVER THE CAYMAN ISLANDS.
ISOLATED TORNADOES ARE POSSIBLE TONIGHT OVER THE FLORIDA KEYS AND
THE SOUTHERN FLORIDA PENINSULA.
REPEATING THE 500 PM EDT POSITION...22.1 N...82.9 W. MOVEMENT
TOWARD...NORTHWEST NEAR 15 MPH. MAXIMUM SUSTAINED WINDS...150 MPH.
MINIMUM CENTRAL PRESSURE...942 MB.
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 800 PM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100
PM EDT.