000 WTNT31 KNHC 032350 TCPAT1 BULLETIN TROPICAL STORM TOMAS INTERMEDIATE ADVISORY NUMBER 23A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL212010 800 PM EDT WED NOV 03 2010 ...TOMAS MOVING SLOWLY TO THE NORTH-NORTHWEST... SUMMARY OF 800 PM EDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...15.0N 74.9W ABOUT 300 MI...485 KM SW OF PORT AU PRINCE HAITI ABOUT 240 MI...385 KM SSE OF KINGSTON JAMAICA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/HR PRESENT MOVEMENT...NNW OR 335 DEGREES AT 6 MPH...9 KM/HR MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WATCH IS IN EFFECT FOR... * HAITI A TROPICAL STORM WARNING IS IN EFFECT FOR... * HAITI A TROPICAL STORM WATCH IS IN EFFECT FOR... * JAMAICA * THE SOUTHERN COAST OF THE DOMINICAN REPUBLIC FROM THE HAITI BORDER EASTWARD TO BARAHONA * THE CUBAN PROVINCES OF GUANTANAMO...SANTIAGO DE CUBA...AND HOLGUIN * THE SOUTHEASTERN BAHAMAS...INCLUDING THE TURKS AND CAICOS ISLANDS A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. INTERESTS ELSEWHERE IN THE DOMINICAN REPUBLIC AND EASTERN CUBA SHOULD MONITOR THE PROGRESS OF TOMAS. ADDITIONAL WATCHES AND WARNINGS MAY BE REQUIRED FOR PORTIONS OF THESE AREAS TONIGHT OR THURSDAY. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 PM EDT...0000 UTC...THE CENTER OF TROPICAL STORM TOMAS WAS LOCATED NEAR LATITUDE 15.0 NORTH...LONGITUDE 74.9 WEST. A TURN TOWARD THE NORTH AND NORTH-NORTHEAST IS EXPECTED OVER THE NEXT 48 HOURS. ON THE FORECAST TRACK...THE CENTER OF TOMAS IS EXPECTED TO APPROACH HAITI ON FRIDAY..AND THE SOUTHEASTERN BAHAMAS ON SATURDAY. MAXIMUM SUSTAINED WINDS REMAIN NEAR 45 MPH...75 KM/HR...WITH HIGHER GUSTS. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND TOMAS COULD BE APPROACHING HURRICANE STRENGTH AS THE CENTER NEARS HAITI. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM MAINLY TO THE EAST OF THE CENTER. THE MINIMUM CENTRAL PRESSURE REPORTED BY THE HURRICANE HUNTER IS 1003 MB...29.62 INCHES. HAZARDS AFFECTING LAND ---------------------- STORM SURGE...A DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS IN THE WARNING AREA IN AREAS OF ONSHORE FLOW. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES. WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO FIRST REACH THE COAST WITHIN THE TROPICAL STORM WARNING AREA BY LATE THURSDAY... MAKING OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. HURRICANE CONDITIONS ARE ALSO POSSIBLE WITHIN THE HURRICANE WATCH AREA BY FRIDAY. RAINFALL...TOMAS IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 5 TO 10 INCHES OVER MUCH OF HAITI AND THE DOMINICAN REPUBLIC... WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 15 INCHES. TOTAL RAINFALL ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE OVER JAMAICA. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES OVER MOUNTAINOUS TERRAIN. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 PM EDT. $$ FORECASTER BLAKE/STEWART