000 WTNT32 KNHC 290538 TCPAT2 BULLETIN TROPICAL STORM EARL INTERMEDIATE ADVISORY NUMBER 15A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072010 200 AM AST SUN AUG 29 2010 ...EARL MOVING WESTWARD TOWARD THE LEEWARD ISLANDS... SUMMARY OF 200 AM AST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...16.7N 56.2W ABOUT 465 MI...750 KM ESE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/HR PRESENT MOVEMENT...W OR 280 DEGREES AT 20 MPH...32 KM/HR MINIMUM CENTRAL PRESSURE...989 MB...29.21 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * ANTIGUA...BARBUDA...MONTSERRAT...ST. KITTS...NEVIS...AND ANGUILLA * SAINT MARTIN AND SAINT BARTHELEMY A HURRICANE WATCH IS IN EFFECT FOR... * ST. MAARTEN...SABA...ST. EUSTATIUS * BRITISH VIRGIN ISLANDS * U.S. VIRGIN ISLANDS * PUERTO RICO INCLUDING THE ISLANDS OF CULEBRA AND VIEQUES A TROPICAL STORM WARNING IS IN EFFECT FOR... * ST. MAARTEN...SABA...ST. EUSTATIUS A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED 36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. 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. FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. 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 200 AM AST...0600 UTC...THE CENTER OF TROPICAL STORM EARL WAS LOCATED NEAR LATITUDE 16.7 NORTH...LONGITUDE 56.2 WEST. EARL IS MOVING TOWARD THE WEST NEAR 20 MPH...32 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE WITH A GRADUAL DECREASE IN FORWARD SPEED LATER TODAY. A TURN TOWARD THE WEST-NORTHWEST IS EXPECTED SUNDAY NIGHT AND MONDAY. ON THE FORECAST TRACK...THE CENTER OF EARL WOULD PASS NEAR OR OVER THE NORTHERN LEEWARD ISLANDS SUNDAY NIGHT OR MONDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/HR...WITH HIGHER GUSTS. STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND EARL IS EXPECTED TO BECOME A HURRICANE LATER TODAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 160 MILES...260 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 989 MB...29.21 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...HURRICANE CONDITIONS ARE EXPECTED OVER THE NORTHERN LEEWARD ISLANDS BY SUNDAY NIGHT. HURRICANE CONDITIONS MAY SPREAD OVER THE VIRGIN ISLANDS AND PUERTO RICO MONDAY AND MONDAY NIGHT. STORM SURGE...STORM SURGE WILL RAISE WATER LEVELS 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS IN THE WARNING AREA...AND BE ACCOMPANIED BY LARGE AND DANGEROUS BATTERING WAVES. RAINFALL...EARL IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 3 TO 5 INCHES OVER MUCH OF THE NORTHERN LEEWARD ISLANDS...WITH POSSIBLE MAXIMUM ISOLATED AMOUNTS OF 8 INCHES. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...500 AM AST. $$ FORECASTER BRENNAN