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Tropical Storm KATRINA


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TROPICAL STORM KATRINA ADVISORY NUMBER   8
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
11 AM EDT THU AUG 25 2005

...KATRINA GRADUALLY STRENGTHENING AS IT MOVES SLOWLY WESTWARD
ACROSS THE FLORIDA STRAITS TOWARD SOUTHEAST FLORIDA...
 
A HURRICANE WARNING REMAINS IN EFFECT FOR THE SOUTHEAST FLORIDA
COAST FROM VERO BEACH SOUTHWARD TO FLORIDA CITY...INCLUDING LAKE
OKEECHOBEE. 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 REMAINS IN EFFECT FOR THE GRAND BAHAMA
ISLAND...BIMINI...AND THE BERRY ISLANDS IN THE NORTHWEST BAHAMAS.
THE WARNING HAS BEEN DISCONTINUED FOR THE REMAINDER OF THE
NORTHWEST BAHAMAS.
 
A TROPICAL STORM WATCH REMAINS IN EFFECT FOR THE EAST-CENTRAL
FLORIDA COAST FROM NORTH OF VERO BEACH NORTHWARD TO TITUSVILLE
...INCLUDING ALL OF MERRITT ISLAND...AND FOR THE MIDDLE AND UPPER
FLORIDA KEYS FROM THE WEST END OF THE SEVEN MILE BRIDGE NORTHWARD TO
SOUTH OF FLORIDA CITY. A TROPICAL STORM WATCH IS ALSO IN EFFECT FOR
THE FLORIDA WEST COAST FROM FLORIDA CITY TO ENGLEWOOD...INCLUDING
FLORIDA BAY. 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 TROPICAL STORM KATRINA WAS
LOCATED NEAR LATITUDE 26.2 NORTH... LONGITUDE 79.3 WEST OR ABOUT 
55 MILES... 85 KM... EAST OF FORT LAUDERDALE FLORIDA.
 
KATRINA IS MOVING TOWARD THE WEST NEAR  6 MPH... 9 KM/HR. THIS
GENERAL MOTION IS EXPECTED TO CONTINUE WITH SOME DECREASE IN FORWARD
SPEED DURING THE NEXT 24 HOURS.  ON THIS TRACK... THE CENTER SHOULD
BE NEAR OR OVER THE SOUTHEAST FLORIDA COAST LATER TONIGHT OR EARLY
FRIDAY MORNING.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  60 MPH... 95 KM/HR...WITH HIGHER
GUSTS.  ADDITIONAL STRENGTHENING IS POSSIBLE TODAY AND TONIGHT...
AND KATRINA COULD BECOME A CATEGORY ONE HURRICANE BEFORE THE
CENTER REACHES THE SOUTHEASTERN COAST OF FLORIDA.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO  70 MILES
...110 KM FROM THE CENTER. AN AUTOMATED OBSERVING STATION AT
SETTLEMENT POINT ON GRAND BAHAMA ISLAND RECENTLY REPORTED SUSTAINED
WINDS OF 33 MPH. 
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS  997 MB...29.44 INCHES.
 
STORM SURGE FLOODING OF 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS...
ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE EXPECTED
NEAR AND TO THE NORTH OF WHERE THE CENTER MAKES LANDFALL IN FLORIDA.
STORM SURGE FLOODING OF 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS...
ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE ALSO
EXPECTED IN AREAS OF ONSHORE WINDS IN THE BAHAMAS. STORM SURGE
VALUES WILL GRADUALLY DECREASE IN THE BAHAMAS LATER TODAY.
 
DUE TO ITS SLOW FORWARD SPEED...KATRINA IS EXPECTED TO PRODUCE A
SIGNIFICANT HEAVY RAINFALL EVENT OVER THE NORTHWEST BAHAMAS...AND
SOUTH FLORIDA. TOTAL RAINFALL ACCUMULATIONS OF 6 TO 10 INCHES WITH
ISOLATED MAXIMUM AMOUNTS OF 15 INCHES ARE POSSIBLE.

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

REPEATING THE 11 AM EDT POSITION...26.2 N... 79.3 W.  MOVEMENT
TOWARD...WEST NEAR  6 MPH.  MAXIMUM SUSTAINED
WINDS... 60 MPH.  MINIMUM CENTRAL PRESSURE... 997 MB.
 
INTERMEDIATE ADVISORIES WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 1 PM EDT AND 3 PM EDT FOLLOWED
BY THE NEXT COMPLETE ADVISORY AT 5 PM EDT.
 
FORECASTER STEWART
 
 
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