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| #386446 (Received by flhurricane at: 7:59 AM 30.Oct.2010) TCPAT1 BULLETIN TROPICAL STORM TOMAS INTERMEDIATE ADVISORY NUMBER 4A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL212010 800 AM AST SAT OCT 30 2010 ...TOMAS CAUSES DAMAGE ON BARBADOS...NOW HEADING TOWARD THE NORTHERN WINDWARD ISLANDS AT NEAR-HURRICANE STRENGTH... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...13.1N 60.1W ABOUT 70 MI...115 KM SE OF ST. LUCIA ABOUT 70 MI...115 KM E OF ST. VINCENT MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/HR PRESENT MOVEMENT...WNW OR 300 DEGREES AT 15 MPH...24 KM/HR MINIMUM CENTRAL PRESSURE...993 MB...29.32 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 12 HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE COMPLETE. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 12 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 AM AST...1200 UTC...THE CENTER OF TROPICAL STORM TOMAS WAS LOCATED NEAR LATITUDE 13.1 NORTH...LONGITUDE 60.1 WEST. TOMAS IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...24 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE WITH A GRADUAL DECREASE IN FORWARD SPEED TONIGHT AND SUNDAY. ON THE FORECAST TRACK...THE CENTER OF TOMAS WILL PASS THROUGH THE NORTHERN WINDWARD ISLANDS THIS AFTERNOON AND ENTER THE EASTERN CARIBBEAN SEA BY TONIGHT. MAXIMUM SUSTAINED WINDS HAVE ARE NEAR 70 MPH...110 KM/HR... WITH HIGHER GUSTS. STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND TOMAS IS EXPECTED TO BECOME A HURRICANE LATER TODAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM FROM THE CENTER. DURING THE PAST HOUR...A WIND GUST TO 63 MPH...100 KM/HR...WAS REPORTED ON BARBADOS. INFORMATION FROM THE BARBADOS METEOROLOGICAL SERVICE INDICATES THAT DAMAGE TO HOMES AND DOWNED POWER LINES HAVE BEEN REPORTED ON THE ISLAND. THE MINIMUM CENTRAL PRESSURE RECENTLY ESTIMATED BY AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT WAS 993 MB...29.32 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE OCCURRING ON BARBADOS...AND WILL SPREAD ACROSS THE REMAINDER OF THE WARNING AREA THIS MORNING. HURRICANE CONDITIONS ARE EXPECTED WITHIN THE HURRICANE WARNING AREA LATER THIS 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...1100 AM AST. $$ FORECASTER STEWART/CANGIALOSI |
