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TROPICAL STORM CHANTAL INTERMEDIATE ADVISORY NUMBER  23A
NATIONAL WEATHER SERVICE MIAMI FL
7 AM CDT TUE AUG 21 2001

...CHANTAL RESUMES WEST-NORTHWESTWARD MOTION ACROSS YUCATAN...

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.  A TROPICAL STORM
WARNING REMAINS IN EFFECT FOR THE GULF COAST OF THE YUCATAN
PENINSULA FROM PROGRESO TO CARMEN.
 
AT 7 AM CDT...1200Z...SURFACE OBSERVATIONS AND RADAR REPORTS 
INDICATE THE CENTER OF TROPICAL STORM CHANTAL WAS LOCATED NEAR 
LATITUDE 18.4 NORTH...LONGITUDE  88.8 WEST OR ABOUT 35 MILES...
55 KM...WEST-SOUTHWEST OF CHETUMAL MEXICO.
 
CHANTAL IS NOW MOVING TOWARD THE WEST-NORTHWEST AT 6 MPH.  A
CONTINUED WEST-NORTHWESTWARD MOTION AT AN INCREASED FORWARD SPEED
IS EXPECTED DURING THE NEXT 24 HOURS.  ON THIS TRACK...CHANTAL WOULD 
EMERGE INTO THE SOUTHERN GULF OF MEXICO BY WEDNESDAY.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  60 MPH...95 KM/HR...WITH HIGHER
GUSTS.  CHANTAL IS EXPECTED TO CONTINUE WEAKENING AS IT CROSSES THE 
YUCATAN PENINSULA TODAY. 
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES
...280 KM...MAINLY TO THE EAST OF THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1004 MB...29.65 INCHES.

STORM SURGE FLOODING OF 2 TO 3 FEET...ACCOMPANIED BY BATTERING
WAVES...IS POSSIBLE NEAR AND NORTH OF THE BELIZE/MEXICO BORDER 
TODAY. IN ADDITION...STORM SURGE FLOODING OF 1 TO 2 FEET IS POSSIBLE 
ALONG PORTIONS OF THE GULF COAST OF YUCATAN BY LATE TODAY AND ON 
WEDNESDAY.

RAINFALL TOTALS OF 15 TO 20 INCHES...WITH ISOLATED HIGHER AMOUNTS... 
ARE POSSIBLE ALONG AND NEAR THE PATH OF CHANTAL.  LOCALIZED FLOODING 
...ESPECIALLY NEAR COASTAL AREAS...CAN BE EXPECTED TODAY.
 
REPEATING THE 7 AM CDT POSITION...18.4 N... 88.8 W.  MOVEMENT...
WEST-NORTHWEST NEAR 6 MPH.  MAXIMUM SUSTAINED WINDS... 60 MPH. 
MINIMUM CENTRAL PRESSURE...1004 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 10 AM CDT.
 
FORECASTER BEVEN
 
 
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