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BULLETIN
TROPICAL STORM BONNIE ADVISORY NUMBER  10
NATIONAL WEATHER SERVICE MIAMI FL
11 PM AST FRI AUG 21 1998
 
...BONNIE NEARING HURRICANE STRENGTH...

A HURRICANE WARNING REMAINS IN EFFECT FOR THE TURKS AND CAICOS
ISLANDS...AND THE SOUTHEASTERN BAHAMAS.  A HURRICANE WATCH REMAINS
IN EFFECT FOR THE CENTRAL BAHAMAS...AND MAY BE UPGRADED TO A
HURRICANE WARNING EARLY SATURDAY.
 
THE SOUTHEASTERN BAHAMAS ARE CONSIDERED TO BE THE AREA EAST OF THE
ACKLINS ISLANDS...AND THE CENTRAL BAHAMAS INCLUDE THE AREA FROM THE
ACKLINS NORTHWESTWARD THROUGH CAT ISLAND AND GREAT EXUMA.
 
BONNIE COULD THREATEN THE EAST COAST OF THE UNITED STATES...AS A
HURRICANE...WITHIN THE NEXT FEW DAYS.  RESIDENTS ALONG THE COAST
SHOULD CONTINUE TO MONITOR THE PROGRESS OF BONNIE.
 
AT 11 PM AST...0300Z...THE CENTER OF TROPICAL STORM BONNIE WAS
LOCATED NEAR LATITUDE 21.4 NORTH...LONGITUDE 68.0 WEST OR ABOUT 200
MILES...325 KM...EAST OF TURKS ISLAND.
 
BONNIE IS MOVING TOWARD THE WEST-NORTHWEST NEAR 17 MPH...28 KM/HR...
AND THIS MOTION IS EXPECTED TO CONTINUE TONIGHT AND SATURDAY.  ON
THIS TRACK THE CENTER OF BONNIE WILL BE NEARING THE SOUTHEASTERN
BAHAMAS SATURDAY MORNING.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER
GUSTS.  STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS...AND
BONNIE WILL LIKELY BECOME A HURRICANE BY SATURDAY MORNING.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 145 MILES
...230 KM...MAINLY TO THE NORTH OF THE CENTER.
 
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY RECONNAISSANCE
AIRCRAFT WAS 991 MB...29.26 INCHES.

RAINBANDS ASSOCIATED WITH BONNIE WILL SPREAD OVER THE TURKS AND
CAICOS ISLANDS AND THE SOUTHEASTERN BAHAMAS TONIGHT...PRODUCING
LOCALLY HEAVY SHOWERS AND STRONG GUSTY WINDS.
 
REPEATING THE 11 PM AST POSITION...21.4 N... 68.0 W.  MOVEMENT
TOWARD...WEST NORTHWEST NEAR 17 MPH.  MAXIMUM SUSTAINED WINDS... 70
MPH.  MINIMUM CENTRAL PRESSURE... 991 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 2 AM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 5 AM
AST...SATURDAY.
 
MAYFIELD
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT2 AND WMO HEADER WTNT72 KNHC.
 
 
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