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Tropical Storm KATRINA


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TROPICAL STORM KATRINA INTERMEDIATE ADVISORY NUMBER   4A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2 PM EDT WED AUG 24 2005
 
...TROPICAL STORM KATRINA STRENGTHENING OVER THE CENTRAL BAHAMAS...
...HEAVY RAINFALL THREAT FOR THE BAHAMAS TONIGHT AND THURSDAY...
 
A TROPICAL STORM WARNING AND A HURRICANE WATCH REMAIN IN EFFECT 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 2 PM EDT...1800Z...REPORTS FROM AN AIR FORCE RESERVE UNIT
RECONNAISSANCE AIRCRAFT INDICATE THE CENTER OF TROPICAL STORM
KATRINA WAS REFORMING NEAR LATITUDE 25.2 NORTH... LONGITUDE 77.0
WEST OR ABOUT 30 MILES... 50 KM... EAST-NORTHEAST OF NASSAU AND
ABOUT 200 MILES...320 KM...EAST-SOUTHEAST OF THE SOUTHEAST COAST 
OF FLORIDA.
 
KATRINA IS MOVING TOWARD THE NORTH-NORTHWEST NEAR  8 MPH
...13 KM/HR. A TURN TOWARD THE NORTHWEST OR WEST-NORTHWEST AT A
SLIGHTLY SLOWER FORWARD SPEED IS EXPECTED TO OCCUR TONIGHT OR EARLY
THURSDAY. THIS MOTION WILL BRING THE CENTER THROUGH THE CENTRAL
BAHAMAS TODAY AND THE NORTHWEST BAHAMAS TONIGHT AND THURSDAY.
 
MAXIMUM SUSTAINED WINDS ARE ESTIMATED NEAR  45 MPH...75 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 MINIMUM CENTRAL PRESSURE RECENTLY OBSERVED BY RECONNAISSANCE
AIRCRAFT WAS 1003 MB...29.62 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 2 PM EDT POSITION...25.2 N... 77.0 W.  MOVEMENT
TOWARD...NORTH-NORTHWEST NEAR  8 MPH.  MAXIMUM SUSTAINED
WINDS... 45 MPH.  MINIMUM CENTRAL PRESSURE...1003 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER 
AT 5 PM EDT.
 
FORECASTER STEWART
 
 
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