000 WTNT31 KNHC 310246 TCPAT1 BULLETIN HURRICANE TOMAS ADVISORY NUMBER 8 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL212010 1100 PM AST SAT OCT 30 2010 ...CENTER OF TOMAS NOW OVER THE EASTERN CARIBBEAN SEA...TROPICAL STORM CONDITIONS STILL OCCURRING IN PORTIONS OF THE WINDWARD ISLANDS... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...13.6N 62.1W ABOUT 65 MI...105 KM WNW OF ST. VINCENT ABOUT 75 MI...120 KM W OF ST. LUCIA MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/HR PRESENT MOVEMENT...WNW OR 285 DEGREES AT 9 MPH...15 KM/HR MINIMUM CENTRAL PRESSURE...982 MB...29.00 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF BARBADOS HAS CHANGED THE HURRICANE WARNING FOR ST. VINCENT AND THE GRENADINES TO A TROPICAL STORM WARNING. THE GOVERNMENT OF ST. LUCIA HAS CHANGED THE HURRICANE WARNING FOR ST. LUCIA TO A TROPICAL STORM WARNING. THE GOVERNMENT OF FRANCE HAS CHANGED THE HURRICANE WARNING FOR MARTINIQUE TO A TROPICAL STORM WARNING. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * DOMINICA * MARTINIQUE * ST. LUCIA * ST. VINCENT AND THE GRENADINES * TOBAGO * GRENADA THE GOVERNMENT OF TRINIDAD AND TOBAGO WILL BE DISCONTINUING THE TROPICAL STORM WARNING FOR TOBAGO AND GRENADA AT MIDNIGHT AST. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 PM AST...0300 UTC...THE CENTER OF HURRICANE TOMAS WAS LOCATED NEAR LATITUDE 13.6 NORTH...LONGITUDE 62.1 WEST. TOMAS IS MOVING TOWARD THE WEST-NORTHWEST NEAR 9 MPH...15 KM/HR. THIS GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH SUNDAY NIGHT... FOLLOWED BY A TURN TOWARD THE WEST ON MONDAY. ON THE FORECAST TRACK...THE CENTER OF TOMAS WILL CONTINUE TO MOVE AWAY FROM THE WINDWARD ISLANDS OVERNIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 90 MPH...150 KM/HR...WITH HIGHER GUSTS. TOMAS IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 40 MILES...65 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM. OVER THE PAST COUPLE OF HOURS...A WIND GUST TO 53 MPH...85 KM/HR...WAS REPORTED ON MARTINIQUE. A WIND GUST TO 49 MPH...80 KM/HR...WAS REPORTED ON BARBADOS WITHIN A RAINBAND WELL TO THE EAST OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 982 MB...29.00 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...HURRICANE FORCE WINDS HAVE MOVED WEST OF THE WINDWARD ISLANDS. TROPICAL STORM CONDITIONS ARE STILL OCCURRING ON THE ISLANDS WITHIN THE WARNING AREA AND ARE EXPECTED TO CONTINUE THROUGH SUNDAY MORNING. RAINFALL...TOMAS IS EXPECTED TO PRODUCE ADDITIONAL RAIN ACCUMULATIONS OF 2 TO 3 INCHES ACROSS PORTIONS OF THE WINDWARD AND SOUTHERN LEEWARD ISLANDS THROUGH SUNDAY. ISOLATED MAXIMUM STORM TOTAL AMOUNTS OF 8 INCHES ARE POSSIBLE IN ASSOCIATION WITH TOMAS. STORM SURGE...LARGE AND POTENTIALLY DESTRUCTIVE WAVES ARE STILL POSSIBLE...BUT WATER LEVELS WITHIN THE WARNING AREA WILL CONTINUE TO DIMINISH OVERNIGHT. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...200 AM AST. NEXT COMPLETE ADVISORY...500 AM AST. $$ FORECASTER BERG/FRANKLIN