000 WTNT33 KNHC 202342 TCPAT3 BULLETIN TROPICAL STORM HARVEY INTERMEDIATE ADVISORY NUMBER 8A NWS NATIONAL HURRICANE CENTER MIAMI FL AL082011 700 PM CDT SAT AUG 20 2011 ...HARVEY MOVING OVER NORTHERN GUATEMALA...MAIN THREAT IS HEAVY RAINFALL... SUMMARY OF 700 PM CDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...17.3N 89.5W ABOUT 40 MI...65 KM NE OF TIKAL GUATEMALA ABOUT 80 MI...130 KM W OF BELIZE CITY MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF BELIZE HAS DISCONTINUED THE TROPICAL STORM WARNING FOR THE COAST OF BELIZE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 700 PM CDT...0000 UTC...THE CENTER OF TROPICAL STORM HARVEY WAS LOCATED NEAR LATITUDE 17.3 NORTH...LONGITUDE 89.5 WEST. HARVEY IS MOVING TOWARD THE WEST-NORTHWEST NEAR 13 MPH...20 KM/H. A GENERAL MOTION TOWARD THE WEST OR WEST-NORTHWEST IS EXPECTED FOR THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...THE CENTER OF HARVEY WILL CONTINUE MOVING FARTHER INLAND ACROSS NORTHERN GUATEMALA TONIGHT. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 45 MPH...75 KM/H... WITH HIGHER GUSTS. ADDITIONAL WEAKENING IS FORECAST AS THE CENTER MOVES FARTHER INLAND...AND HARVEY IS EXPECTED TO WEAKEN TO A TROPICAL DEPRESSION ON SUNDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...HARVEY IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 3 TO 6 INCHES ACROSS BELIZE...GUATEMALA... WESTERN HONDURAS...AND THE YUCATAN PENINSULA OF MEXICO...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 10 INCHES. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES...ESPECIALLY OVER HIGHER TERRAIN. WIND...TROPICAL-STORM-FORCE WINDS ARE EXPECTED TONIGHT IN PORTIONS OF BELIZE AND NORTHERN GUATEMALA NEAR THE CENTER OF HARVEY. STORM SURGE...STORM SURGE FLOODING ALONG THE COAST OF BELIZE SHOULD SUBSIDE TONIGHT. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1000 PM CDT. $$ FORECASTER BRENNAN