000 WTNT31 KNHC 302352 TCPAT1 BULLETIN HURRICANE TOMAS INTERMEDIATE ADVISORY NUMBER 7A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL212010 800 PM AST SAT OCT 30 2010 ...CORE OF TOMAS MOVING AWAY FROM ST. VINCENT AND ST. LUCIA... SUMMARY OF 800 PM AST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...13.5N 61.7W ABOUT 40 MI...70 KM NW OF ST. VINCENT ABOUT 50 MI...85 KM WSW 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... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * ST. VINCENT AND THE GRENADINES * ST. LUCIA * MARTINIQUE A TROPICAL STORM WARNING IS IN EFFECT FOR... * DOMINICA * TOBAGO * GRENADA FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 PM AST...0000 UTC...THE CENTER OF HURRICANE TOMAS WAS LOCATED NEAR LATITUDE 13.5 NORTH...LONGITUDE 61.7 WEST. TOMAS IS MOVING TOWARD THE WEST-NORTHWEST NEAR 9 MPH...15 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE THROUGH SUNDAY. ON THE FORECAST TRACK...THE CENTER OF TOMAS WILL CONTINUE TO MOVE AWAY FROM ST. LUCIA AND ST. VINCENT THIS EVENING. 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 ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 982 MB...29.00 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...HURRICANE CONDITIONS HAVE BEEN OCCURRING WITHIN PORTIONS OF THE HURRICANE WARNING AREA...PARTICULARLY ON ST. LUCIA AND ST. VINCENT...BUT THESE CONDITIONS SHOULD IMPROVE OVER THE NEXT SEVERAL HOURS AS TOMAS MOVES FARTHER AWAY FROM THE WINDWARD ISLANDS. TROPICAL STORM CONDITIONS ARE STILL OCCURRING ON THE OTHER ISLANDS WITHIN THE WARNING AREA AND SHOULD CONTINUE THROUGH EARLY SUNDAY. RAINFALL...TOMAS IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 4 TO 6 INCHES...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 8 INCHES...ACROSS PORTIONS OF THE WINDWARD AND SOUTHERN LEEWARD ISLANDS. STORM SURGE...LARGE AND POTENTIALLY DESTRUCTIVE WAVES ARE STILL POSSIBLE...BUT STORM SURGE WITHIN THE HURRICANE WARNING AREA WILL GRADUALLY DIMINISH OVERNIGHT. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 PM AST. $$ FORECASTER BERG/FRANKLIN