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Hurricane KATRINA


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HURRICANE KATRINA INTERMEDIATE ADVISORY NUMBER  23A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1 PM CDT SUN AUG 28 2005
 
...POTENTIALLY CATASTROPHIC HURRICANE KATRINA MENACING THE NORTHERN
GULF COAST...
 
A HURRICANE WARNING IS IN EFFECT FOR THE NORTH CENTRAL GULF COAST
FROM MORGAN CITY LOUISIANA 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 AND A HURRICANE WATCH ARE IN EFFECT FROM
EAST OF THE ALABAMA/FLORIDA BORDER TO DESTIN FLORIDA...AND FROM
WEST OF MORGAN CITY TO INTRACOASTAL CITY LOUISIANA. A TROPICAL
STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED
WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. A HURRICANE WATCH
MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH
AREA...GENERALLY WITHIN 36 HOURS.
 
A TROPICAL STORM WARNING IS ALSO IN EFFECT FROM DESTIN FLORIDA
EASTWARD TO INDIAN PASS FLORIDA...AND FROM INTRACOASTAL CITY
LOUISIANA WESTWARD TO CAMERON LOUISIANA.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
AT 1 PM CDT...1800Z...THE CENTER OF HURRICANE KATRINA WAS LOCATED
NEAR LATITUDE 26.5 NORTH... LONGITUDE 88.6 WEST OR ABOUT 180 MILES
SOUTH-SOUTHEAST OF THE MOUTH OF THE MISSISSIPPI RIVER.
 
KATRINA IS MOVING TOWARD THE NORTHWEST NEAR 13 MPH...AND A TURN
TOWARD THE NORTH-NORTHWEST IS EXPECTED OVER THE NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 175 MPH...WITH HIGHER GUSTS. 
KATRINA IS A POTENTIALLY CATASTROPHIC CATEGORY FIVE HURRICANE ON
THE SAFFIR-SIMPSON SCALE.  SOME FLUCTUATIONS IN STRENGTH ARE LIKELY
DURING THE NEXT 24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 105 MILES FROM THE
CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 205 MILES.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 906 MB...26.75 INCHES.
 
COASTAL STORM SURGE FLOODING OF 18 TO 22 FEET ABOVE NORMAL TIDE
LEVELS...LOCALLY AS HIGH AS 28 FEET ALONG WITH LARGE AND DANGEROUS
BATTERING WAVES...CAN BE EXPECTED NEAR AND TO THE EAST OF WHERE THE
CENTER MAKES LANDFALL.  SIGNIFICANT STORM SURGE FLOODING WILL OCCUR
ELSEWHERE ALONG THE CENTRAL AND NORTHEASTERN GULF OF MEXICO COAST.
 
RAINFALL TOTALS OF 5 TO 10 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF
15 INCHES...ARE POSSIBLE ALONG THE PATH OF KATRINA ACROSS THE GULF
COAST AND THE TENNESSEE VALLEY.  RAINFALL TOTALS OF 4 TO 8 INCHES
ARE POSSIBLE ACROSS THE OHIO VALLEY INTO THE EASTERN GREAT LAKES
REGION TUESDAY AND WEDNESDAY.
 
ISOLATED TORNADOES WILL BE POSSIBLE BEGINNING THIS EVENING OVER
SOUTHERN PORTIONS OF LOUISIANA...MISSISSIPPI...AND ALABAMA...AND
OVER THE FLORIDA PANHANDLE.
 
REPEATING THE 1 PM CDT POSITION...26.5 N... 88.6 W.  MOVEMENT
TOWARD...NORTHWEST NEAR 13 MPH.  MAXIMUM SUSTAINED WINDS...
175 MPH.  MINIMUM CENTRAL PRESSURE... 906 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
4 PM CDT.
 
FORECASTER PASCH
 
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