000 WTNT33 KNHC 200546 TCPAT3 BULLETIN TROPICAL STORM HARVEY INTERMEDIATE ADVISORY NUMBER 5A NWS NATIONAL HURRICANE CENTER MIAMI FL AL082011 100 AM CDT SAT AUG 20 2011 ...CENTER OF HARVEY APPROACHING THE BAY ISLANDS OF HONDURAS... SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...16.3N 85.6W ABOUT 60 MI...95 KM E OF ISLA ROATAN HONDURAS ABOUT 200 MI...320 KM ESE OF BELIZE CITY MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...994 MB...29.35 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * THE BAY ISLANDS OF HONDURAS * THE COAST OF HONDURAS FROM PUNTA PATUCA WESTWARD * THE COAST OF BELIZE * THE SOUTHEASTERN COAST OF THE YUCATAN PENINSULA FROM PUNTA GRUESA SOUTHWARD TO CHETUMAL A TROPICAL STORM WATCH IS IN EFFECT FOR... * THE COAST OF GUATEMALA HURRICANE CONDITIONS ARE EXPECTED ALONG A PORTION OF THE COAST OF BELIZE. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 24 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH 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 100 AM CDT...0600 UTC...THE CENTER OF TROPICAL STORM HARVEY WAS LOCATED NEAR LATITUDE 16.3 NORTH...LONGITUDE 85.6 WEST. HARVEY IS MOVING TOWARD THE WEST NEAR 9 MPH...15 KM/H. A GENERAL WESTWARD TO WEST-NORTHWESTWARD MOTION IS EXPECTED DURING THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...THE CENTER OF HARVEY WILL PASS NEAR OR OVER THE BAY ISLANDS OF HONDURAS THIS MORNING AND MOVE ACROSS THE COAST OF BELIZE THIS AFTERNOON OR TONIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/H...WITH HIGHER GUSTS. SOME STRENGTHENING IS EXPECTED...AND HARVEY IS FORECAST TO BECOME A HURRICANE BEFORE REACHING THE COAST OF BELIZE. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 40 MILES...65 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 994 MB...29.35 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL-STORM-FORCE WINDS ARE EXPECTED OVER THE BAY ISLANDS AND ALONG THE NORTHERN COAST OF HONDURAS THIS MORNING...AND OVER THE COAST OF BELIZE AND THE SOUTHEASTERN YUCATAN PENINSULA OF MEXICO BY THIS AFTERNOON. HURRICANE-FORCE WINDS ARE EXPECTED ALONG A PORTION OF THE COAST OF BELIZE BEGINNING THIS AFTERNOON OR TONIGHT. TROPICAL-STORM-FORCE WINDS ARE POSSIBLE ALONG THE NORTHEASTERN COAST OF GUATEMALA LATER TODAY. 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 COMPLETE ADVISORY...400 AM CDT. $$ FORECASTER BERG/STEWART