[Tropical] Public Tropical Cyclone Advisory

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WTNT32 KNHC 261257
TCPAT2
BULLETIN
HURRICANE KATRINA INTERMEDIATE ADVISORY NUMBER  11B
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
9 AM EDT FRI AUG 26 2005

...KATRINA GETTING BETTER ORGANIZED OVER THE EASTERN GULF OF MEXICO
AS IT MOVES SLOWLY AWAY FROM SOUTH FLORIDA...
...FLOODING STILL A THREAT FOR EXTREME SOUTHERN FLORIDA...

A TROPICAL STORM WARNING REMAINS IN EFFECT FOR ALL OF THE FLORIDA
KEYS AND FLORIDA BAY FROM DRY TORTUGAS NORTHWARD... ALONG THE EAST
COAST OF FLORIDA FROM FLORIDA CITY NORTHWARD TO DEERFIELD BEACH...
AND ALONG THE GULF COAST OF FLORIDA FROM SOUTH OF FLORIDA CITY
WESTWARD AND NORTHWARD TO LONGBOAT KEY. A TROPICAL STORM WARNING
MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE
WARNING AREA WITHIN THE NEXT 24 HOURS.

A TROPICAL STORM WATCH REMAINS IN EFFECT FOR PORTIONS OF THE FLORIDA
WEST COAST FROM NORTH OF LONGBOAT KEY TO ANCLOTE KEY.  A TROPICAL
STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA... GENERALLY WITHIN 36 HOURS.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.

AT 9 AM EDT...1300Z...THE CENTER OF HURRICANE KATRINA WAS LOCATED
NEAR LATITUDE 25.2 NORTH... LONGITUDE 82.0 WEST OR ABOUT 45
MILES NORTH-NORTHWEST OF KEY WEST FLORIDA AND ABOUT 65 MILES
SOUTH-SOUTHWEST OF NAPLES FLORIDA.

KATRINA IS MOVING ERRATICALLY TOWARD THE WEST NEAR  6 MPH AND THIS
MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS... WITH A
SLIGHT INCREASE IN FORWARD SPEED.

INFORMATION FROM NOAA DOPPLER RADARS INDICATE MAXIMUM SUSTAINED
WINDS ARE NEAR 75 MPH...  WITH HIGHER GUSTS.  KATRINA IS A CATEGORY
ONE HURRICANE ON THE SAFFIR-SIMPSON SCALE.  SOME STRENGTHENING IS
FORECAST DURING THE NEXT 24 HOURS. AN AIR FORCE RESERVE UNIT
RECONNAISSANCE AIRCRAFT IS SCHEDULED TO INVESTIGATE KATRINA LATER
THIS MORNING.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  25 MILES FROM THE
CENTER... AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 85 MILES. DURING THE PAST HOUR OR SO...A WIND GUST TO 50 MPH
WAS REPORTED AT MARATHON AND A GUST TO 46 MPH WAS REPORTED AT
THE KEY WEST NAVAL AIR STATION.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS  987 MB...29.15 INCHES.

STORM SURGE FLOODING OF 3 TO 5 FEET ABOVE NORMAL TIDE LEVELS...
CAN BE EXPECTED ALONG THE WEST COAST OF FLORIDA IN AREAS OF ONSHORE
FLOW SOUTH OF VENICE... AND IN FLORIDA BAY.  STORM SURGE SHOULD
CONTINUE TO DECREASE THIS MORNING ALONG THE EAST COAST OF FLORIDA.

KATRINA IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL OF 5 TO 8 INCHES
OVER EXTREME SOUTHERN FLORIDA AND THE FLORIDA KEYS.  ISOLATED STORM
TOTAL AMOUNTS OF 15 TO 20 INCHES ARE POSSIBLE.

ISOLATED TORNADOES ARE POSSIBLE TODAY OVER SOUTHERN FLORIDA AND THE
FLORIDA KEYS.

REPEATING THE 9 AM EDT POSITION...25.2 N... 82.0 W.  MOVEMENT
TOWARD...WEST NEAR  6 MPH.  MAXIMUM SUSTAINED
WINDS... 75 MPH.  MINIMUM CENTRAL PRESSURE... 987 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER
AT 11 AM EDT.

FORECASTER STEWART


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