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#451617 (Received by flhurricane at: 10:58 AM 20.Aug.2011) TCPAT3 BULLETIN TROPICAL STORM HARVEY ADVISORY NUMBER 7 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082011 1000 AM CDT SAT AUG 20 2011 ...HARVEY MOVING WESTWARD TOWARD BELIZE WITH LITTLE CHANGE IN STRENGTH... SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...16.8N 87.6W ABOUT 65 MI...100 KM SE OF BELIZE CITY ABOUT 70 MI...110 KM ENE OF MONKEY RIVER TOWN BELIZE MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF HONDURAS HAS DISCONTINUED THE TROPICAL STORM WARNING FOR THE BAY ISLANDS AND FOR THE NORTHERN COAST OF HONDURAS EAST OF PUNTA SAL. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * THE COAST OF HONDURAS FROM PUNTA SAL WESTWARD * THE COAST OF GUATEMALA * THE COAST OF BELIZE HURRICANE CONDITIONS ARE POSSIBLE ALONG A PORTION OF THE COAST OF BELIZE LATER TODAY. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 24 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1000 AM CDT...1500 UTC...THE CENTER OF TROPICAL STORM HARVEY WAS LOCATED NEAR LATITUDE 16.8 NORTH...LONGITUDE 87.6 WEST. HARVEY IS MOVING TOWARD THE WEST NEAR 12 MPH...19 KM/H...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT DAY OR TWO. ON THE FORECAST TRACK...THE CENTER OF HARVEY WILL MOVE INLAND OVER BELIZE THIS AFTERNOON...THEN MOVE INTO NORTHERN GUATEMALA TONIGHT. REPORTS FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/H...WITH HIGHER GUSTS. SOME STRENGTHENING IS POSSIBLE TODAY...AND HARVEY COULD BECOME A HURRICANE BEFORE LANDFALL IN BELIZE. STEADY WEAKENING IS FORECAST AFTER LANDFALL. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM MAINLY TO THE NORTH OF THE CENTER. THE MINIMUM CENTRAL PRESSURE ESTIMATED FROM THE HURRICANE HUNTER AIRCRAFT DATA IS 998 MB...29.47 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL-STORM-FORCE WINDS ARE EXPECTED ALONG THE NORTHERN COAST OF HONDURAS IN THE WARNING AREA THROUGH THIS AFTERNOON. TROPICAL-STORM-FORCE WINDS ARE ALSO EXPECTED ALONG THE COASTS OF GUATEMALA AND BELIZE BY THIS AFTERNOON. HURRICANE-FORCE WINDS ARE POSSIBLE ALONG A PORTION OF THE COAST OF BELIZE THIS AFTERNOON. RAINFALL...HARVEY IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 3 TO 6 INCHES ACROSS HONDURAS...GUATEMALA... BELIZE...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. STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS ALONG THE COAST NEAR AND TO THE NORTH OF WHERE HARVEY MAKES LANDFALL. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DAMAGING WAVES. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...100 PM CDT. NEXT COMPLETE ADVISORY...400 PM CDT. $$ FORECASTER BEVEN |