ZCZC MIATCPAT4 ALL TTAA00 KNHC DDHHMM BULLETIN 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 NNNN