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HURRICANE IRENE INTERMEDIATE ADVISORY NUMBER  12A
NATIONAL WEATHER SERVICE MIAMI FL
2 AM EDT SAT OCT 16 1999

...CENTER OF IRENE MOVING THROUGH PALM BEACH COUNTY...
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE FLORIDA EAST
COAST FROM FLORIDA CITY TO FERNANDINA BEACH AND FOR LAKE OKEECHOBEE.
 
A TROPICAL STORM WATCH REMAINS IN EFFECT FROM NORTH OF FERNANDINA
BEACH TO LITTLE RIVER INLET SOUTH CAROLINA.
 
A TROPICAL STORM WATCH ALSO REMAINS IN EFFECT FOR BIMINI AND GRAND
BAHAMA ISLAND.
 
AT 2 AM EDT...0600Z...THE CENTER OF HURRICANE IRENE WAS LOCATED
BY RADAR AND SURFACE OBSERVATIONS NEAR LATITUDE 27.0 NORTH...
LONGITUDE  80.2 WEST.  THIS POSITION IS ABOUT 25 MILES NORTH-
NORTHWEST OF WEST PALM BEACH FLORIDA OR NEAR JUPITER 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 OVER THE ATLANTIC LATER THIS
MORNING.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  75 MPH...WITH HIGHER GUSTS...IN A
FEW SQUALLS OVER THE WATERS OFF THE FLORIDA SOUTHEAST COAST. A SHIP
IN THE STRAITS OF FLORIDA RECENTLY REPORTED 75 MPH WINDS. 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.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS  989 MB...29.21 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 2 AM EDT POSITION...27.0 N... 80.2 W.  MOVEMENT
TOWARD...NORTH-NORTHEAST NEAR 13 MPH.  MAXIMUM SUSTAINED WINDS... 
75 MPH.  MINIMUM CENTRAL PRESSURE... 989 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
5 AM EDT.
 
BEVEN/GUINEY
 
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