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BULLETIN
TROPICAL STORM CHANTAL ADVISORY NUMBER  21
NATIONAL WEATHER SERVICE MIAMI FL
4 PM CDT MON AUG 20 2001

...CHANTAL A LITTLE BETTER ORGANIZED AS IT NEARS THE COAST...

AT 4 PM CDT...1800Z...THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL
STORM WARNING FOR THE GULF COAST OF THE YUCATAN PENINSULA FROM
PROGRESO TO CARMEN.  A HURRICANE WATCH REMAINS IN EFFECT FROM BELIZE
CITY NORTHWARD TO CANCUN...AND A TROPICAL STORM WARNING REMAINS IN
EFFECT FOR ALL OF COASTAL BELIZE...AND FOR THE EAST COAST OF THE
YUCATAN PENINSULA FROM THE MEXICO/BELIZE BORDER NORTHWARD TO CANCUN.
 
AT 4 PM CDT...2100Z...THE CENTER OF TROPICAL STORM CHANTAL WAS
LOCATED NEAR LATITUDE 18.1 NORTH...  LONGITUDE 87.3 WEST OR ABOUT 70
MILES...115 KM...EAST-SOUTHEAST OF CHETUMAL MEXICO.

CHANTAL IS MOVING TOWARD THE WEST-NORTHWEST NEAR 14 MPH
...22 KM/HR...AND ON THIS TRACK THE CENTER WILL CROSS THE COAST NEAR 
THE MEXICO/BELIZE BORDER IN A FEW HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/HR...WITH HIGHER
GUSTS.  NO SIGNIFICANT CHANGE IN STRENGTH IS EXPECTED UNTIL
LANDFALL.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES ...325 KM
MAINLY NORTH AND EAST OF THE CENTER.

AN AIR FORCE HURRICANE HUNTER AIRCRAFT RECENTLY REPORTED A MINIMUM 
CENTRAL PRESSURE OF 1005 MB...29.68 INCHES.

STORM SURGE FLOODING OF 2 TO 3 FEET...ACCOMPANIED BY BATTERING 
WAVES...IS POSSIBLE NEAR AND NORTH OF WHERE THE CENTER CROSSES THE 
COAST THIS EVENING...AND 1 TO 2 FEET ALONG PORTIONS OF THE GULF 
COAST OF YUCATAN ON TUESDAY.

RAINFALL TOTALS OF 5 TO 8 INCHES...WITH ISOLATED HIGHER
AMOUNTS...ARE POSSIBLE ALONG AND NEAR THE PATH OF CHANTAL.

REPEATING THE 4 PM CDT POSITION...18.1 N...  87.3 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 14 MPH.  MAXIMUM SUSTAINED WINDS... 
65 MPH.  MINIMUM CENTRAL PRESSURE...1005 MB.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 7 PM CDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 10 PM
CDT.

FORECASTER PASCH
 
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