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| #386303 (Received by flhurricane at: 4:40 PM 29.Oct.2010) TCPAT1 BULLETIN TROPICAL STORM TOMAS ADVISORY NUMBER 1 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL212010 500 PM AST FRI OCT 29 2010 ...THE NINETEENTH NAMED STORM OF THE SEASON FORMS SOUTHEAST OF THE WINDWARD ISLANDS...TROPICAL STORM WARNINGS ISSUED... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...11.1N 57.5W ABOUT 200 MI...320 KM SE OF BARBADOS ABOUT 290 MI...470 KM ESE OF ST. VINCENT MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/HR PRESENT MOVEMENT...WNW OR 295 DEGREES AT 17 MPH...28 KM/HR MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF BARBADOS HAS ISSUED A TROPICAL STORM WARNING FOR BARBADOS...AND ST. VINCENT AND THE GRENADINES. THE GOVERNMENT OF FRANCE HAS ISSUED A TROPICAL WARNING FOR MARTINIQUE. THE GOVERNMENT OF ST. LUCIA HAS ISSUED A TROPICAL STORM WARNING FOR ST. LUCIA. THE GOVERNMENT OF TRINIDAD AND TOBAGO HAS ISSUED A TROPICAL STORM WARNING FOR TRINIDAD AND TOBAGO...AND GRENADA. THE GOVERNMENT OF BARBADOS HAS ISSUED A TROPICAL STORM WATCH FOR DOMINICA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * BARBADOS...MARTINIQUE...ST. LUCIA...ST. VINCENT AND THE GRENADINES...GRENADA...AND TRINIDAD AND TOBAGO A TROPICAL STORM WATCH IN IN EFFECT FOR... * DOMINICA A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH 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 500 PM AST...2100 UTC...THE CENTER OF TROPICAL STORM TOMAS WAS LOCATED NEAR LATITUDE 11.1 NORTH...LONGITUDE 57.5 WEST. TOMAS IS MOVING TOWARD THE WEST-NORTHWEST NEAR 17 MPH...28 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...THE CENTER OF TOMAS IS EXPECTED TO PASS THROUGH THE CENTRAL WINDWARD ISLANDS SATURDAY AFTERNOON. MAXIMUM SUSTAINED WINDS ARE NEAR 40 MPH...65 KM/HR...WITH HIGHER GUSTS. STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND TOMAS COULD BECOME A HURRICANE BY SUNDAY. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM FROM THE CENTER. THE MINIMUM CENTRAL PRESSURE RECENTLY REPORTED BY AN AIR FORCE RESERVE UNIT RECONNAISSANCE AIRCRAFT WAS 998 MB...29.47 INCHES. HAZARDS AFFECTING LAND ---------------------- 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 STORM SURGE COULD PRODUCE LOCALIZED COASTAL FLOODING WITHIN AREAS OF ONSHORE FLOW. THE SURGE WILL BE ACCOMPANIED BY LARGE AND POTENTIALLY DESTRUCTIVE WAVES. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...800 PM AST. NEXT COMPLETE ADVISORY...1100 PM AST. $$ FORECASTER STEWART |
