[Tropical] Public Tropical Cyclone Advisory

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WTNT32 KNHC 291254
TCPAT2
BULLETIN
HURRICANE KATRINA INTERMEDIATE ADVISORY NUMBER  26B
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
8 AM CDT MON AUG 29 2005

...LARGE AND EXTREMELY DANGEROUS CATEGORY FOUR HURRICANE KATRINA
POUNDING SOUTHEASTERN LOUISIANA AND SOUTHERN MISSISSIPPI...

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 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 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 8 AM CDT...1300Z...THE CENTER OF HURRICANE KATRINA WAS LOCATED
NEAR LATITUDE 29.7 NORTH... LONGITUDE 89.6 WEST OR ABOUT 40 MILES
SOUTHEAST OF NEW ORLEANS LOUISIANA AND ABOUT 65 MILES SOUTHWEST OF
BILOXI MISSISSIPPI.

KATRINA IS MOVING TOWARD THE NORTH NEAR 15 MPH...AND A GRADUAL TURN
TO THE NORTH-NORTHEAST AT A SLIGHTLY FASTER FORWARD SPEED IS
EXPECTED OVER THE NEXT 24 HOURS.  ON THIS TRACK...THE CENTER WILL BE
PASSING JUST TO THE EAST OF NEW ORLEANS DURING THE NEXT FEW HOURS
WITH THE WORST OF THE WEATHER FOR THAT CITY OCCURRING OVER THE NEXT
COUPLE OF HOURS.  THE CENTER IS EXPECTED TO MOVE INTO SOUTHERN
MISSISSIPPI LATER TODAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 135 MPH...WITH HIGHER GUSTS.
KATRINA IS AN EXTREMELY DANGEROUS CATEGORY FOUR HURRICANE ON THE
SAFFIR-SIMPSON SCALE.  WEAKENING IS FORECAST AS THE CIRCULATION
INTERACTS WITH LAND TODAY.  WINDS AFFECTING THE UPPER FLOORS OF
HIGH-RISE BUILDINGS WILL BE SIGNIFICANTLY STRONGER THAN THOSE NEAR
GROUND LEVEL.

KATRINA IS A VERY LARGE HURRICANE. HURRICANE FORCE WINDS EXTEND
OUTWARD UP TO 125 MILES FROM THE CENTER...AND TROPICAL STORM FORCE
WINDS EXTEND OUTWARD UP TO 230 MILES.  PASCAGOULA MISSISSIPPI CIVIL
DEFENSE REPORTED A WIND GUST TO 118 MPH...AND GULFPORT MISSISSIPPI
EMERGENCY OPERATIONS CENTER REPORTED SUSTAINED WINDS OF 94 MPH WITH
A GUST TO 100 MPH.  BELLE CHASSE LOUISIANA...JUST SOUTHEAST OF NEW
ORLEANS...RECENTLY REPORTED SUSTAINED WINDS OF 76 MPH WITH A GUST
TO 88 MPH.  A LITTLE EARLIER...BELLE CHASE REPORTED A GUST TO 105
MPH.  NEW ORLEANS LAKEFRONT AIRPORT RECENTLY REPORTED SUSTAINED
WINDS OF 69 MPH WITH A GUST TO 86 MPH.

THE MINIMUM CENTRAL PRESSURE RECENTLY REPORTED BY AN AIR FORCE
RESERVE UNIT RECONNAISSANCE AIRCRAFT WAS  923 MB...27.26 INCHES.

COASTAL STORM SURGE FLOODING OF 18 TO 22 FEET ABOVE NORMAL TIDE
LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE
EXPECTED NEAR AND TO THE EAST OF THE CENTER. STORM SURGE FLOODING
OF 10 TO 15 FEET...NEAR THE TOPS OF THE LEVEES...IS POSSIBLE IN THE
GREATER NEW ORLEANS AREA.  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.

THE TORNADO THREAT AHEAD OF KATRINA CONTINUES TO INCREASE AND
SCATTERED TORNADOES WILL BE POSSIBLE TODAY OVER SOUTHEASTERN
LOUISIANA... SOUTHERN MISSISSIPPI...SOUTHERN ALABAMA...AND OVER
THE FLORIDA PANHANDLE.

REPEATING THE 8 AM CDT POSITION...29.7 N... 89.6 W.  MOVEMENT
TOWARD...NORTH NEAR 15 MPH.  MAXIMUM SUSTAINED WINDS...135 MPH.
MINIMUM CENTRAL PRESSURE... 923 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
10 AM CDT.

FORECASTER PASCH
$$
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