Tropical Storm KATRINA

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TROPICAL STORM KATRINA ADVISORY NUMBER   4
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
11 AM EDT WED AUG 24 2005

...DEPRESSION STRENGTHENS INTO TROPICAL STORM KATRINA OVER THE
CENTRAL BAHAMAS...
...HURRICANE WATCH AND TROPICAL STORM WARNING ISSUED FOR FLORIDA...
 
AT 11 AM EDT...1500Z...A TROPICAL STORM WARNING AND A HURRICANE
WATCH HAVE BEEN ISSUED FOR THE SOUTHEAST FLORIDA COAST FROM VERO
BEACH SOUTHWARD TO FLORIDA CITY. THIS REPLACES THE TROPICAL STORM
WATCH.  A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS.
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE CENTRAL AND
NORTHWEST BAHAMAS.  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 THE MIDDLE AND UPPER
FLORIDA KEYS FROM WEST 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.
 
A WATCH OR WARNING MAY BE REQUIRED FOR LAKE OKEECHOBEE LATER TODAY.
A HURRICANE WARNING MAY BE REQUIRED FOR PORTIONS OF THE NORTHWEST
BAHAMAS LATER TODAY.
 
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 24.7 NORTH... LONGITUDE 76.7 WEST OR ABOUT 50
MILES... 80 KM... EAST-SOUTHEAST OF NASSAU AND ABOUT 230 MILES...
375 KM...EAST-SOUTHEAST OF SOUTHEAST COAST OF FLORIDA.
 
KATRINA IS MOVING TOWARD THE NORTH-NORTHWEST NEAR  8 MPH
...13 KM/HR. A GRADUAL TURN TOWARD THE NORTHWEST AT A SLIGHTLY
SLOWER FORWARD SPEED IS EXPECTED TO OCCUR LATER TODAY. THIS MOTION
SHOULD BRING THE CENTER THROUGH THE CENTRAL AND NORTHWEST BAHAMAS
LATER TODAY AND TONIGHT.
 
EARLIER REPORTS FROM AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT
INDICATED MAXIMUM SUSTAINED WINDS HAD INCREASED TO NEAR  40 MPH...
65 KM/HR...WITH HIGHER GUSTS. ADDITIONAL STRENGTHENING IS FORECAST
DURING THE NEXT 24 HOURS.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO  70 MILES
...110 KM...MAINLY EAST OF THE CENTER.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1006 MB...29.71 INCHES.
 
DUE TO ITS SLOW FORWARD SPEED...KATRINA IS EXPECTED TO PRODUCE A
SIGNIFICANT HEAVY RAINFALL EVENT OVER THE CENTRAL AND NORTHWEST
BAHAMAS...AND SOUTH FLORIDA... WITH TOTAL RAINFALL ACCUMULATIONS OF 
6 TO 12 INCHES AND ISOLATED MAXIMUM AMOUNTS OF 15 TO 20 INCHES
POSSIBLE.
 
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.
 
REPEATING THE 11 AM EDT POSITION...24.7 N... 76.7 W.  MOVEMENT
TOWARD...NORTH-NORTHWEST NEAR  8 MPH.  MAXIMUM SUSTAINED
WINDS... 40 MPH.  MINIMUM CENTRAL PRESSURE...1006 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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