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HURRICANE FLOYD INTERMEDIATE ADVISORY NUMBER  25A
NATIONAL WEATHER SERVICE MIAMI FL
8 PM AST MON SEP 13 1999
 
...FLOYD BATTERING SAN SALVADOR IN THE BAHAMAS...

A HURRICANE WARNING CONTINUES IN EFFECT FOR THE THE NORTHWEST
BAHAMAS...INCLUDING THE ABACO ISLANDS...ANDROS ISLAND...BERRY
ISLANDS...BIMINI...ELEUTHERA...GRAND BAHAMA AND NEW PROVIDENCE
ISLAND...AND FOR THE CENTRAL BAHAMAS ...INCLUDING CAT ISLAND...
EXUMAS ISLANDS...LONG ISLAND...RUM CAY...AND SAN SALVADOR ISLAND.
 
A TROPICAL STORM WARNING IS IN EFFECT FOR THE TURKS AND CAICOS
ISLANDS AND THE SOUTHEASTERN BAHAMAS.
 
A HURRICANE WARNING IS IN EFFECT FOR ALL OF THE MAINLAND FLORIDA
EAST COAST FROM FLORIDA CITY TO JUST SOUTH OF BRUNSWICK GEORGIA.  A
TROPICAL STORM WARNING IS IN EFFECT FOR THE FLORIDA KEYS FROM SEVEN
MILE BRIDGE NORTHWARD.
 
A HURRICANE WATCH IS IN EFFECT FOR THE GEORGIA COAST FROM BRUNSWICK
TO SAVANNAH.  THE HURRICANE WATCH WILL LIKELY BE EXTENDED NORTHWARD
INTO SOUTH CAROLINA LATER TONIGHT.
 
AT 8 PM AST...0000Z...THE CENTER OF HURRICANE FLOYD WAS LOCATED NEAR
LATITUDE 24.4 NORTH...LONGITUDE  74.1 WEST OR ABOUT 35 MILES...55
KM...NORTHEAST OF SAN SALVADOR IN THE BAHAMAS.  THIS POSITION IS
ALSO ABOUT 400 MILES EAST-SOUTHEAST OF MIAMI FLORIDA.
 
FLOYD IS MOVING SLIGHTLY NORTH OF DUE WEST NEAR 14 MPH...23 KM/HR. 
A GRADUAL TURN TOWARD THE NORTHWEST IS EXPECTED ON TUESDAY.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 155 MPH...250 KM/HR...WITH HIGHER
GUSTS.  LITTLE SIGNIFICANT CHANGE IN STRENGTH IS FORECAST DURING THE
NEXT 24 HOURS. 
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 125 MILES...205 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 260 MILES...415 KM.
 
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY U.S. AIR FORCE
HURRICANE HUNTER AIRCRAFT IS  924 MB...27.29 INCHES.
 
STORM SURGE FLOODING OF 15 TO 20 FEET ABOVE NORMAL TIDE LEVELS...
ACCOMPANIED BY LARGE AND DANGEROUS BATTERING WAVES ARE POSSIBLE
IN THE BAHAMAS.  FLOODING OF 5 TO 10 FEET ABOVE NORMAL TIDES ARE
POSSIBLE ALONG THE FLORIDA EAST COAST IF THE CENTER REACHES THE
COAST. 

THERE ARE HEAVY SURF ADVISORIES ALONG THE U.S. EAST COAST NORTHWARD
TO SANDY HOOK NEW JERSEY.  SEE STATEMENTS FROM LOCAL NATIONAL
WEATHER SERVICE OFFICES FOR ADDITIONAL INFORMATION.

RAINBANDS FROM FLOYD ARE PRODUCING LOCALLY HEAVY RAINS OVER PORTIONS
OF THE BAHAMAS AND LOCAL ACCUMULATIONS OF 8 TO 10 INCHES ARE LIKELY.
 
REPEATING THE 8 PM AST POSITION...24.4 N... 74.1 W.  MOVEMENT
SLIGHTLY NORTH OF WEST NEAR 14 MPH.  MAXIMUM SUSTAINED WINDS...155
MPH.  MINIMUM CENTRAL PRESSURE... 924 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
11 PM AST.
 
PASCH

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