000 WTNT32 KNHC 281435 TCPAT2 BULLETIN TROPICAL STORM EARL ADVISORY NUMBER 13 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072010 1100 AM AST SAT AUG 28 2010 ...EARL HAS NOT STRENGTHENED YET... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...16.0N 51.8W ABOUT 760 MI...1225 KM E OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/HR PRESENT MOVEMENT...W OR 280 DEGREES AT 18 MPH...30 KM/HR MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * SAINT MARTIN AND SAINT BARTHELEMY * ANTIGUA...BARBUDA...MONTSERRAT...ST. KITTS...NEVIS...AND ANGUILLA * ST. MAARTEN...SABA...AND ST. EUSTATIUS A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. 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 1100 AM AST...1500 UTC...THE CENTER OF TROPICAL STORM EARL WAS LOCATED NEAR LATITUDE 16.0 NORTH...LONGITUDE 51.8 WEST. EARL IS MOVING TOWARD THE WEST NEAR 18 MPH...30 KM/HR. A TURN TO THE WEST-NORTHWEST WITH A SLIGHT DECREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...THE CENTER OF EARL COULD APPROACH THE NORTHERN LEEWARD ISLANDS ON SUNDAY NIGHT. MAXIMUM SUSTAINED WINDS REMAIN NEAR 60 MPH...95 KM/HR...WITH HIGHER GUSTS. ALTHOUGH NO CHANGE IN STRENGTH IS LIKELY TODAY....EARL COULD STILL BECOME A HURRICANE ON SUNDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM TO THE NORTH OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 999 MB...29.50 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA BY SUNDAY NIGHT. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...200 PM AST. NEXT COMPLETE ADVISORY...500 PM AST. $$ FORECASTER AVILA