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HURRICANE LENNY INTERMEDIATE ADVISORY NUMBER  23A
NATIONAL WEATHER SERVICE MIAMI FL
2 AM AST FRI NOV 19 1999

...CORRECTED FOR ADVISORY NUMBER...

...EYE OF LENNY OVER ST. BARTHELEMEY IN THE NORTHEAST CARIBBEAN...
  
A HURRICANE WARNING REMAINS IN EFFECT FOR DUTCH ST. MAARTEN...
FRENCH ST. MARTIN...ST.BARTHELEMEY...ANGUILLA...SABA...ST.
EUSTATIUS...ST. KITTS...NEVIS...MONTSERRAT...ANTIGUA...AND BARBUDA.
 
AT 2 AM AST...0600Z...THE CENTER OF HURRICANE LENNY WAS LOCATED
NEAR LATITUDE 18.0 NORTH...LONGITUDE  62.9 WEST...OR OVER THE ISLAND
OF ST. BARTHELEMEY.
 
LENNY HAS DRIFTED SOUTHEAST OVER THE PAST FEW HOURS.  A SLOW
MOTION TOWARD THE NORTHEAST IS EXPECTED LATER TODAY.  OVER THE NEXT
SEVERAL HOURS THE CORE OF THE HURRICANE WILL CONTINUE TO AFFECT THE
ISLANDS OF ST. MAARTEN...ANGUILLA...AND ST. BARTHELEMEY. ST. MAARTEN
RECENTLY REPORTED SUSTAINED WINDS OF 74 MPH AND GUSTS TO 104 MPH.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 110 MPH...175 KM/HR...WITH HIGHER
GUSTS.  THIS MAKES LENNY A STILL-DANGEROUS CATEGORY TWO HURRICANE ON
THE SAFFIR-SIMPSON SCALE.  SUSTAINED WINDS STRONGER THAN 110 MPH
COULD BE EXPERIENCED IN MOUNTAINOUS AREAS.  SOME ADDITIONAL
WEAKENING IS FORECAST DURING THE NEXT 24 HOURS...BUT LENNY WILL
REMAIN A DANGEROUS HURRICANE AS IT MOVES SLOWLY THROUGH THE ISLANDS
OF THE NORTHEAST CARIBBEAN.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  35 MILES... 55 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 145 MILES...230 KM.
 
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE
HURRICANE HUNTER AIRCRAFT WAS  978 MB...28.88 INCHES.
 
RAINFALL TOTALS OF 10 TO 15 INCHES...WITH LOCALLY HIGHER AMOUNTS IN
MOUNTAINOUS REGIONS...ARE ASSOCIATED WITH THE HURRICANE.  THESE
RAINS CAN PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES.
 
STORM SURGE FLOODING OF 3 TO 5 FT ABOVE NORMAL...ACCOMPANIED BY
DANGEROUS LARGE BATTERING WAVES...IS EXPECTED NEAR THE CENTER OF THE
HURRICANE.
 
REPEATING THE 2 AM AST POSITION...18.0 N... 62.9 W.  MOVEMENT...
DRIFTING SOUTHEAST.  MAXIMUM SUSTAINED WINDS...110 MPH.  MINIMUM
CENTRAL PRESSURE... 978 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
5 AM AST.
 
BEVEN

 
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