Hurricane KATRINA

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HURRICANE KATRINA ADVISORY NUMBER  16
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
5 AM EDT SAT AUG 27 2005
 
...KATRINA BECOMES A MAJOR HURRICANE WITH 115 MPH WINDS...

AT 5 AM EDT... 0900Z... THE TROPICAL STORM WARNING HAS BEEN
DISCONTINUED FROM THE SEVEN MILE BRIDGE TO KEY LARGO FLORIDA AND
FOR FLORIDA BAY.  A TROPICAL STORM WARNING REMAINS IN EFFECT FROM
WEST OF THE SEVEN MILE BRIDGE WESTWARD TO KEY WEST INCLUDING 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 5 AM EDT...0900Z...THE EYE OF HURRICANE KATRINA WAS LOCATED BY
RADAR AND RECONNAISSANCE AIRCRAFT NEAR LATITUDE 24.4 NORTH...
LONGITUDE 84.4 WEST OR ABOUT 435 MILES SOUTHEAST OF THE MOUTH OF
THE MISSISSIPPI RIVER AND ABOUT 165 MILES WEST OF KEY WEST FLORIDA.
 
KATRINA IS MOVING TOWARD THE WEST NEAR  7 MPH... 11 KM/HR.  A
GRADUAL TURN TOWARD THE WEST-NORTHWEST IS EXPECTED DURING THE NEXT
24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 115 MPH...WITH HIGHER GUSTS.
KATRINA IS A CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON SCALE.
SOME STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS.
 
RECONNAISSANCE AIRCRAFT DATA AND SURFACE OBSERVATIONS INDICATE THAT
KATRINA HAS BECOME A LARGER HURRICANE. HURRICANE FORCE WINDS EXTEND
OUTWARD UP TO 40 MILES FROM THE CENTER...AND TROPICAL STORM FORCE
WINDS EXTEND OUTWARD UP TO 150 MILES. TROPICAL STORM FORCE WINDS
ARE OCCURRING JUST OFFSHORE OF THE NORTHERN COAST OF WESTERN CUBA.
 
THE MINIMUM CENTRAL PRESSURE RECENTLY REPORTED BY AN AIR FORCE
RECONNAISSANCE AIRCRAFT WAS 945 MB...27.91 INCHES.

STORM SURGE FLOODING OF 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS...
CAN BE EXPECTED ALONG THE SOUTHWEST COAST OF FLORIDA IN AREAS OF
ONSHORE FLOW EAST OF CAPE SABLE... AND IN FLORIDA BAY.  STORM SURGE
WILL GRADUALLY SUBSIDE TODAY.
 
KATRINA IS EXPECTED TO PRODUCE RAINFALL AMOUNTS OF 5 TO 10 INCHES
OVER WESTERN CUBA... AND 1 TO 3 INCHES OF RAINFALL IS EXPECTED
OVER THE YUCATAN PENINSULA.  RAINFALL IS EXPECTED TO SLOWLY DIMINISH
ACROSS THE LOWER FLORIDA KEYS TODAY... ALTHOUGH AN ADDITIONAL 1 TO 2
INCHES OF RAIN IS POSSIBLE IN SOME OF THE HEAVIER RAIN BANDS.
 
ISOLATED TORNADOES ARE POSSIBLE THIS MORNING OVER THE LOWER FLORIDA
KEYS.
 
REPEATING THE 5 AM EDT POSITION...24.4 N... 84.4 W.  MOVEMENT
TOWARD...WEST NEAR  7 MPH.  MAXIMUM SUSTAINED
WINDS...115 MPH.  MINIMUM CENTRAL PRESSURE... 945 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 8 AM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 11 AM
EDT.
 
FORECASTER KNABB
 
 
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