000 WTNT31 KNHC 300539 TCPAT1 BULLETIN TROPICAL STORM TOMAS INTERMEDIATE ADVISORY NUMBER 3A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL212010 200 AM AST SAT OCT 30 2010 ...CENTER OF TOMAS WILL PASS NEAR BARBADOS IN THE NEXT FEW HOURS... SUMMARY OF 200 AM AST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...12.4N 58.8W ABOUT 75 MI...115 KM SE OF BARBADOS ABOUT 175 MI...280 KM ESE OF ST. VINCENT MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/HR PRESENT MOVEMENT...WNW OR 300 DEGREES AT 15 MPH...24 KM/HR MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * BARBADOS * ST. VINCENT AND THE GRENADINES * ST. LUCIA * MARTINIQUE A TROPICAL STORM WARNING IS IN EFFECT FOR... * TRINIDAD AND TOBAGO * GRENADA * DOMINICA A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24 HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE NEARING COMPLETION. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 200 AM AST...0600 UTC...THE CENTER OF TROPICAL STORM TOMAS WAS LOCATED NEAR LATITUDE 12.4 NORTH...LONGITUDE 58.8 WEST. TOMAS IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...24 KM/HR. THIS GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH EARLY SUNDAY... WITH A TURN TOWARD THE WEST AND SOME DECREASE IN FORWARD SPEED EXPECTED LATE SUNDAY. ON THE FORECAST TRACK...THE CENTER OF TOMAS WILL APPROACH BARBADOS IN THE NEXT FEW HOURS AND MOVE ACROSS THE REMAINDER OF THE NORTHERN WINDWARD ISLANDS ON SATURDAY. MAXIMUM SUSTAINED WINDS REMAIN NEAR 65 MPH...100 KM/HR...WITH HIGHER GUSTS. STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND TOMAS COULD BECOME A HURRICANE BY SATURDAY MORNING. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM FROM THE CENTER. BARBADOS RECENTLY REPORTED A 10-MINUTE WIND OF 38 MPH...61 KM/HR. A WIND GUST TO 58 MPH...93 KM/HR...WAS REPORTED ON BARBADOS A COUPLE OF HOURS AGO. ESTIMATED MINIMUM CENTRAL PRESSURE IS 997 MB...29.44 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE OCCURRING ON BARBADOS...AND WILL SPREAD ACROSS THE REMAINDER OF THE WARNING AREA EARLY SATURDAY. HURRICANE CONDITIONS ARE EXPECTED ON BARBADOS EARLY SATURDAY AND WITHIN THE REMAINDER OF THE HURRICANE WARNING AREA LATER SATURDAY MORNING. RAINFALL...TOMAS IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 3 TO 5 INCHES...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 8 INCHES...ACROSS PORTIONS OF THE WINDWARD AND SOUTHERN LEEWARD ISLANDS. STORM SURGE...A DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS WITHIN AREAS OF ONSHORE FLOW. THE SURGE WILL BE ACCOMPANIED BY LARGE AND POTENTIALLY DESTRUCTIVE WAVES. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...500 AM AST. $$ FORECASTER BRENNAN