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TROPICAL STORM CHANTAL ADVISORY NUMBER  20
NATIONAL WEATHER SERVICE MIAMI FL
10 AM CDT MON AUG 20 2001

...CHANTAL HEADED FOR THE COAST OF YUCATAN AND BELIZE...

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 HURRICANE WATCH
REMAINS IN EFFECT FROM BELIZE CITY NORTHWARD TO CANCUN.
 
AT 10 AM CDT...1500Z...THE CENTER OF TROPICAL STORM CHANTAL WAS
LOCATED NEAR LATITUDE 17.7 NORTH...  LONGITUDE 86.3 WEST OR ABOUT
140 MILES...225 KM...EAST-SOUTHEAST OF CHETUMAL MEXICO.

CHANTAL IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH
...24 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE TODAY.  ON 
THIS TRACK...THE CENTER OF CHANTAL SHOULD BE NEAR THE COAST IN THE 
TROPICAL STORM WARNING AREA THIS EVENING.
 
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 FROM THE CENTER.
 
AN AIR FORCE HURRICANE HUNTER PLANE RECENTLY REPORTED A MINIMUM 
CENTRAL PRESSURE OF 1007 MB...29.74 INCHES.

RAINFALL TOTALS OF 3 TO 5 INCHES...WITH LOCALLY HEAVIER AMOUNTS IN
MOUNTAINOUS AREAS...ARE POSSIBLE ALONG THE PATH OF CHANTAL.

STORM SURGE FLOODING OF 2 TO 3 FEET...ACCOMPANIED BY BATTERING 
WAVES...IS POSSIBLE NEAR AND NORTH OF WHERE THE CENTER CROSSES THE 
COAST.

 
REPEATING THE 10 AM CDT POSITION...17.7 N... 86.3 W.  MOVEMENT
TOWARD...WEST NORTHWEST NEAR 15 MPH.  MAXIMUM SUSTAINED
WINDS... 65 MPH.  MINIMUM CENTRAL PRESSURE...1007 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 1 PM CDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 4 PM
CDT.

FORECASTER PASCH
 
 
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