000 WTNT32 KNHC 281140 TCPAT2 BULLETIN TROPICAL STORM EARL INTERMEDIATE ADVISORY NUMBER 12A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072010 800 AM AST SAT AUG 28 2010 ...EARL CONTINUES HEADING WESTWARD AT A GOOD CLIP... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...15.8N 51.2W ABOUT 800 MI...1290 KM E OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/HR PRESENT MOVEMENT...W OR 270 DEGREES AT 21 MPH...33 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 800 AM AST...1200 UTC...THE CENTER OF TROPICAL STORM EARL WAS LOCATED NEAR LATITUDE 15.8 NORTH...LONGITUDE 51.2 WEST. EARL IS MOVING TOWARD THE WEST NEAR 21 MPH...33 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. EARL COULD BECOME A HURRICANE BY TONIGHT OR SUNDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM MAINLY 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 COMPLETE ADVISORY...1100 AM AST. $$ FORECASTER AVILA