Tropical Storm KATRINA

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TROPICAL STORM KATRINA ADVISORY NUMBER   7
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
5 AM EDT THU AUG 25 2005

...CENTER OF KATRINA PASSING SOUTH OF GRAND BAHAMA ISLAND...NEW
TROPICAL STORM WATCH IN 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 NORTHWEST
BAHAMAS.
 
AT 5 AM EDT...A TROPICAL STORM WATCH IS IN EFFECT FOR THE FLORIDA
WEST COAST FROM FLORIDA CITY TO ENGLEWOOD...INCLUDING FLORIDA
BAY.  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 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 5 AM EDT...0900Z...THE CENTER OF TROPICAL STORM KATRINA WAS
LOCATED NEAR LATITUDE 26.2 NORTH...LONGITUDE  78.7 WEST OR ABOUT  
20 MILES...  35 KM...SOUTH-SOUTHEAST OF FREEPORT GRAND BAHAMA
ISLAND AND ABOUT   90 MILES... 145 KM...EAST OF FT. LAUDERDALE
FLORIDA.
 
KATRINA IS MOVING TOWARD THE WEST NEAR  8 MPH...13 KM/HR...AND THIS
MOTION IS EXPECTED TO CONTINUE WITH SOME DECREASE IN FORWARD SPEED
DURING THE NEXT 24 HOUR.  THIS MOTION SHOULD BRING THE CENTER
THROUGH THE NORTHWESTERN BAHAMAS INTO THE FLORIDA STRAITS TODAY...
AND NEAR OR OVER THE SOUTHEASTERN FLORIDA COAST THURSDAY NIGHT OR
FRIDAY MORNING.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  50 MPH... 85 KM/HR...WITH HIGHER
GUSTS.  STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS...AND
KATRINA IS EXPECTED TO REACH HURRICANE STRENGTH BEFORE THE CENTER
REACHES THE COAST OF FLORIDA.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO  70 MILES
...110 KM FROM THE CENTER.  THE AUTOMATED STATION AT SETTLEMENT
POINT ON GRAND BAHAMA ISLAND RECENTLY REPORTED SUSTAINED WINDS OF
36 MPH AND A GUST TO 40 MPH.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES.
 
STORM SURGE FLOODING OF 4 TO 6 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 3 TO 5 FEET ABOVE NORMAL TIDE LEVELS...
ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE EXPECTED
NEAR THE CENTER IN AREAS OF ONSHORE WINDS IN THE BAHAMAS.

DUE TO ITS SLOW FORWARD SPEED...KATRINA IS EXPECTED TO PRODUCE A
SIGNIFICANT HEAVY RAINFALL EVENT OVER THE NORTHWEST BAHAMAS...AND
SOUTH FLORIDA... WITH TOTAL RAINFALL ACCUMULATIONS OF 6 TO 10
INCHES AND ISOLATED MAXIMUM AMOUNTS OF 15 INCHES POSSIBLE.
 
REPEATING THE 5 AM EDT POSITION...26.2 N... 78.7 W.  MOVEMENT
TOWARD...WEST NEAR  8 MPH.  MAXIMUM SUSTAINED
WINDS... 50 MPH.  MINIMUM CENTRAL PRESSURE...1000 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 BEVEN
 
 
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