000 WTNT31 KNHC 060848 TCPAT1 BULLETIN TROPICAL STORM TOMAS ADVISORY NUMBER 33 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL212010 500 AM EDT SAT NOV 06 2010 ...TOMAS WEAKENS TO A TROPICAL STORM...CENTER PASSING OVER THE TURKS AND CAICOS ISLANDS... SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...21.9N 71.3W ABOUT 30 MI...50 KM NNW OF GRAND TURK ISLAND MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/HR PRESENT MOVEMENT...NE OR 50 DEGREES AT 15 MPH...24 KM/HR MINIMUM CENTRAL PRESSURE...993 MB...29.32 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE HURRICANE WARNING FOR HAITI HAS BEEN REPLACED WITH A TROPICAL STORM WARNING. THE GOVERNMENT OF THE BAHAMAS HAS REPLACED THE HURRICANE WARNING FOR THE SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS WITH A TROPICAL STORM WARNING. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * THE SOUTHEASTERN BAHAMAS...AND THE TURKS AND CAICOS ISLANDS * HAITI * THE NORTHERN COAST OF THE DOMINICAN REPUBLIC FROM THE HAITI BORDER EASTWARD TO PUERTO PLATA THE TROPICAL STORM WARNINGS FOR HAITI AND THE DOMINICAN REPUBLIC WILL LIKELY BE LOWERED LATER THIS MORNING. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 AM EDT...0900 UTC...THE CENTER OF TROPICAL STORM TOMAS WAS LOCATED NEAR LATITUDE 21.9 NORTH...LONGITUDE 71.3 WEST. TOMAS IS MOVING TOWARD THE NORTHEAST NEAR 15 MPH...24 KM/HR. A NORTHEASTWARD MOTION WITH A DECREASE IN FORWARD SPEED IS EXPECTED FOR THE NEXT DAY OR SO. THE CENTER OF TOMAS WILL GRADUALLY BE MOVING AWAY FROM THE TURKS AND CAICOS ISLANDS THIS MORNING. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 70 MPH...110 KM/HR...WITH HIGHER GUSTS. SLOW WEAKENING IS FORECAST DURING THE NEXT COUPLE OF DAYS. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM FROM THE CENTER. THE MINIMUM CENTRAL PRESSURE RECENTLY REPORTED BY AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT IS 993 MB...29.32 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...TOMAS IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES OVER PORTIONS OF HAITI...THE DOMINICAN REPUBLIC...THE SOUTHEASTERN BAHAMAS AND PUERTO RICO. AN ADDITIONAL 2 TO 4 INCHES ARE POSSIBLE IN THE TURKS AND CAICOS ISLANDS. ISOLATED MAXIMUM STORM TOTAL AMOUNTS OF 15 INCHES ARE POSSIBLE OVER THE DOMINICAN REPUBLIC AND HAITI...WHICH COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES OVER MOUNTAINOUS TERRAIN. WIND...TROPICAL STORM CONDITIONS ARE OCCURRING THIS MORNING IN PORTIONS OF THE TROPICAL STORM WARNING AREA. STORM SURGE...A DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS IN AREAS OF ONSHORE WINDS IN THE TURKS AND CAICOS ISLANDS. STORM SURGE FLOODING SHOULD DIMINISH LATER TODAY. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...800 AM EDT. NEXT COMPLETE ADVISORY...1100 AM EDT. $$ FORECASTER KIMBERLAIN/FRANKLIN