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TROPICAL STORM CHANTAL INTERMEDIATE ADVISORY NUMBER  18A
NATIONAL WEATHER SERVICE MIAMI FL
2 AM EDT MON AUG 20 2001
 
...CHANTAL MOVING TOWARD THE YUCATAN PENINSULA...

A TROPICAL STORM WARNING IS IN EFFECT FOR ALL OF COASTAL BELIZE... 
AND FOR THE EAST COAST OF THE YUCATAN PENINSULA FROM THE
MEXICO/BELIZE BORDER NORTHWARD TO CANCUN.  A HURRICANE WATCH 
REMAINS IN EFFECT FROM BELIZE CITY NORTHWARD TO CANCUN.
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE CAYMAN ISLANDS.
 
AT 2 AM EDT...0600Z...THE POORLY-DEFINED CENTER OF TROPICAL STORM
CHANTAL WAS LOCATED NEAR LATITUDE 17.2 NORTH...LONGITUDE 84.2 WEST
OR ABOUT 280 MILES...455 KM...EAST-SOUTHEAST OF CHETUMAL MEXICO...
OR JUST SOUTHWEST OF SWAN ISLAND.

CHANTAL IS MOVING TOWARD THE WEST-NORTHWEST NEAR 18 MPH
...30 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE 
NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  65 MPH...100 KM/HR...WITH HIGHER
GUSTS.  LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT
24 HOURS.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES
...325 KM...MAINLY TO THE NORTHEAST OF THE CENTER.
 
AN AIR FORCE RESERVE UNIT RECONNAISSANCE AIRCRAFT REPORTED A MINIMUM 
CENTRAL PRESSURE OF 1008 MB...29.77 INCHES.
 
RAINFALL TOTALS OF 3 TO 5 INCHES...WITH LOCALLY HEAVIER AMOUNTS IN
MOUNTAINOUS AREAS...ARE POSSIBLE ALONG THE PATH OF CHANTAL. 

REPEATING THE 2 AM EDT POSITION...17.2 N... 84.2 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 18 MPH.  MAXIMUM SUSTAINED
WINDS... 65 MPH.  MINIMUM CENTRAL PRESSURE...1008 MB.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER
AT 5 AM EDT.
 
FORECASTER STEWART
 
 
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