Hurricane KATRINA

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BULLETIN
HURRICANE KATRINA ADVISORY NUMBER  12
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
11 AM EDT FRI AUG 26 2005

...KATRINA GETTING STRONGER AS IT MOVES SLOWLY WESTWARD AWAY FROM
SOUTH FLORIDA...
 
AT 11 AM EDT...1500Z...THE TROPICAL STORM WARNING FOR THE SOUTHEAST
FLORIDA COAST FROM FLORIDA CITY NORTHWARD HAS BEEN DISCONTINUED.
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR ALL OF THE FLORIDA
KEYS AND FLORIDA BAY FROM DRY TORTUGAS NORTHWARD... AND ALONG THE
FLORIDA GULF COAST 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 11 AM EDT...1500Z...THE CENTER OF HURRICANE KATRINA WAS LOCATED
NEAR LATITUDE 25.1 NORTH... LONGITUDE 82.2 WEST OR ABOUT 45 MILES
NORTHWEST OF KEY WEST FLORIDA AND ABOUT 75 MILES SOUTH-SOUTHWEST OF
NAPLES FLORIDA.
 
KATRINA IS MOVING TOWARD THE WEST NEAR  7 MPH...AND THIS GENERAL
MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS.
 
NOAA DOPPLER RADAR DATA AND REPORTS FROM AN AIR FORCE RESERVE UNIT
HURRICANE HUNTER AIRCRAFT INDICATE MAXIMUM SUSTAINED WINDS ARE NEAR
80 MPH...WITH HIGHER GUSTS. KATRINA IS A CATEGORY ONE HURRICANE ON
THE SAFFIR-SIMPSON SCALE. SOME STRENGTHENING IS FORECAST DURING THE
NEXT 24 HOURS...AND KATRINA IS FORECAST TO BECOME A CATEGORY TWO
HURRICANE BY SATURDAY.
 
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...A NOAA SHIP ANCHORED IN KEY
WEST HARBOR REPORTED SUSTAINED WINDS OF 59 MPH WITH A GUST TO 86
MPH IN HEAVY RAIN SQUALLS.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON REPORTS FROM A
UNIVERSITY OF SOUTH FLORIDA SEA-COOS BUOY IS 981 MB...28.97 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 THE FLORIDA KEYS AND 3 TO 5 INCHES OVER NORTHWESTERN CUBA. 
ISOLATED STORM TOTAL AMOUNTS OF 15 TO 20 INCHES ARE POSSIBLE OVER
THE FLORIDA KEYS.
 
ISOLATED TORNADOES ARE POSSIBLE TODAY OVER EXTREME SOUTHERN FLORIDA
AND THE FLORIDA KEYS.

REPEATING THE 11 AM EDT POSITION...25.1 N... 82.2 W.  MOVEMENT
TOWARD...WEST NEAR  7 MPH.  MAXIMUM SUSTAINED
WINDS... 80 MPH.  MINIMUM CENTRAL PRESSURE... 981 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 2 PM EDT FOLLOWED BY THE NEXT
COMPLETE ADVISORY AT 5 PM EDT.
 
FORECASTER STEWART
 
 
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