Hurricane Gustav Advisory 29

BULLETIN
HURRICANE GUSTAV ADVISORY NUMBER 29
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072008
400 PM CDT SUN AUG 31 2008
...GUSTAV MOVING QUICKLY NORTHWESTWARD OVER THE CENTRAL GULF OF
MEXICO...HURRICANE WARNING EXTENDED WESTWARD...
AT 4 PM CDT...2100 UTC...THE HURRICANE WARNING IS EXTENDED WESTWARD
ALONG THE LOUISIANA AND TEXAS COASTS TO JUST EAST OF HIGH ISLAND
TEXAS. A HURRICANE WARNING IS NOW IN EFFECT FROM JUST EAST OF HIGH
ISLAND EASTWARD TO THE ALABAMA-FLORIDA BORDER...INCLUDING THE CITY
OF NEW ORLEANS AND LAKE PONTCHARTRAIN. A HURRICANE WARNING MEANS
THAT HURRICANE CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA
WITHIN THE NEXT 24 HOURS. PREPARATIONS TO PROTECT LIFE AND
PROPERTY SHOULD BE RUSHED TO COMPLETION.
A TROPICAL STORM WARNING REMAINS IN EFFECT FROM EAST OF THE
ALABAMA-FLORIDA BORDER TO THE OCHLOCKONEE RIVER. A TROPICAL
STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED
WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS.
AT 5 PM EDT...2100 UTC...THE TROPICAL STORM WARNING IS DISCONTINUED
FOR THE 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 400 PM CDT...2100Z...THE CENTER OF HURRICANE GUSTAV WAS LOCATED
NEAR LATITUDE 26.4 NORTH...LONGITUDE 87.3 WEST OR ABOUT 215 MILES...
350 KM...SOUTH-SOUTHEAST OF THE MOUTH OF THE MISSISSIPPI RIVER.
GUSTAV IS MOVING TOWARD THE NORTHWEST NEAR 18 MPH...30 KM/HR. THIS
GENERAL MOTION IS EXPECTED TO CONTINUE WITH A DECREASE IN FORWARD
SPEED DURING THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...
GUSTAV SHOULD MAKE LANDFALL ON THE NORTHERN GULF COAST ON MONDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 115 MPH...185 KM/HR...WITH HIGHER
GUSTS. GUSTAV IS A CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON
SCALE. SOME RE-INTENSIFICATION IS POSSIBLE TONIGHT. FLUCTUATIONS
IN STRENGTH ARE LIKELY THEREAFTER...BUT GUSTAV IS FORECAST TO
REMAIN A MAJOR HURRICANE UNTIL LANDFALL.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 65 MILES...100 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 220
MILES...350 KM. TROPICAL STORM CONDITIONS SHOULD BEGIN TO SPREAD
ONTO THE NORTHERN GULF COAST TONIGHT...WITH HURRICANE CONDITIONS
STARTING TO SPREAD ONSHORE EARLY MONDAY MORNING.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE
HURRICANE HUNTER AIRCRAFT IS 957 MB...28.26 INCHES.
AN EXTREMELY DANGEROUS STORM SURGE OF 10 TO 14 FEET ABOVE NORMAL
TIDAL LEVELS IS EXPECTED NEAR AND TO THE EAST OF WHERE THE CENTER
OF GUSTAV CROSSES THE NORTHERN GULF COAST. ABOVE NORMAL TIDES IN
THE DRY TORTUGAS SHOULD DIMINISH TONIGHT.
GUSTAV IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 6 TO
12 INCHES OVER PORTION OF LOUISIANA...SOUTHERN MISSISSIPPI AND
SOUTHERN ARKANSAS...WITH ISOLATED MAXIMUM AMOUNTS OF UP TO 20
INCHES POSSIBLE THROUGH WEDNESDAY MORNING. ADDITIONAL RAINFALL
AMOUNTS OF ABOUT AN INCH ARE POSSIBLE OVER FLORIDA KEYS AND
SOUTH FLORIDA.
ISOLATED TORNADOES ARE POSSIBLE OVER THE CENTRAL GULF COAST TONIGHT.
REPEATING THE 400 PM CDT POSITION...26.4 N...87.3 W. MOVEMENT
TOWARD...NORTHWEST NEAR 18 MPH. MAXIMUM SUSTAINED WINDS...115 MPH.
MINIMUM CENTRAL PRESSURE...957 MB.
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 700 PM CDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1000
PM CDT.