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HURRICANE IRENE ADVISORY NUMBER  12
NATIONAL WEATHER SERVICE MIAMI FL
11 PM EDT FRI OCT 15 1999

...IRENE STILL BRINGING STRONG WINDS AND FLOODING RAINS TO PORTIONS
OF SOUTHERN FLORIDA...
 
AT 11 PM EDT...0300 UTC...ALL WARNINGS ARE DISCONTINUED SOUTH OF
FLORIDA CITY...THE FLORIDA KEYS AND THE DRY TORTUGAS...AND FOR THE
FLORIDA WEST COAST.  INTERESTS IN THESE AREAS SHOULD MAINTAIN
PRECAUTIONS UNTIL WINDS AND SEAS SUBSIDE.
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE FLORIDA EAST
COAST FROM FLORIDA CITY TO FERNANDINA BEACH AND FOR LAKE OKEECHOBEE.
 
AT 11 PM EDT...0300 UTC...THE TROPICAL STORM WATCH IS EXTENDED
NORTHWARD AND IS NOW IN EFFECT FROM NORTH OF FERNANDINA BEACH TO
LITTLE RIVER INLET SOUTH CAROLINA.
 
THE GOVERNMENT OF THE BAHAMAS HAS DISCONTINUED THE TROPICAL STORM
WATCH FOR THE ABACO ISLANDS.  A TROPICAL STORM WATCH REMAINS IN
EFFECT FOR BIMINI AND GRAND BAHAMA ISLAND.
 
AT 11 PM EDT...0300Z...THE CENTER OF HURRICANE IRENE WAS LOCATED
NEAR LATITUDE 26.4 NORTH...LONGITUDE  80.4 WEST.  THIS POSITION IS
ABOUT 25 MILES SOUTHWEST OF WEST PALM BEACH FLORIDA.
 
IRENE IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 13 MPH...AND THIS
MOTION IS EXPECTED TO CONTINUE TONIGHT AND EARLY SATURDAY.  ON THIS
TRACK...THE CENTER OF IRENE WILL EMERGE INTO THE ATLANTIC ON
SATURDAY.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  75 MPH...WITH HIGHER GUSTS...IN A
FEW SQUALLS OVER THE WATERS OFF THE FLORIDA SOUTHEAST COAST.  WIND
GUSTS TO 55 MPH WERE REPORTED RECENTLY AT POMPANO BEACH AND WEST
PALM BEACH.  WINDS NEAR HURRICANE FORCE ARE STILL POSSIBLE AT THE
UPPER FLOORS OF HIGH RISE BUILDINGS IN THE STRONGER RAINBANDS NEAR
AND NORTH OF THE CENTER.  LITTLE CHANGE IN STRENGTH IS FORECAST
DURING THE NEXT 24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD OVER THE ATLANTIC UP TO 70
MILES FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND
OUTWARD UP TO 175 MILES.

ESTIMATED MINIMUM CENTRAL PRESSURE IS  988 MB...29.18 INCHES.
 
A STORM SURGE OF 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS IS STILL
POSSIBLE OVER PORTIONS OF THE WARNING AREA.
 
ADDITIONAL HEAVY RAINS OF 8 TO 12 INCHES...WITH LOCALLY HIGHER
AMOUNTS...ARE LIKELY NEAR THE PATH OF IRENE.
 
THERE IS A RISK OF ISOLATED TORNADOES OVER PORTIONS OF SOUTHEAST AND
EAST-CENTRAL FLORIDA. 
 
REPEATING THE 11 PM EDT POSITION...26.4 N... 80.4 W.  MOVEMENT
TOWARD...NORTH-NORTHEAST NEAR 13 MPH.  MAXIMUM SUSTAINED
WINDS... 75 MPH.  MINIMUM CENTRAL PRESSURE... 988 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 2 AM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 5 AM
EDT...SATURDAY.
 
PASCH
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC.
 
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