000 WTNT32 KNHC 280250 TCPAT2 BULLETIN TROPICAL STORM EARL ADVISORY NUMBER 11 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072010 1100 PM AST FRI AUG 27 2010 ...EARL CONTINUES WESTWARD...A LITTLE STRONGER... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...16.0N 47.9W ABOUT 1015 MI...1635 KM E OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/HR PRESENT MOVEMENT...W OR 275 DEGREES AT 20 MPH...32 KM/HR MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * FRENCH SAINT MARTIN AND SAINT BARTHELEMY THIS TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA WITHIN 72 HOURS. RESIDENTS IN THE REMAINDER OF THE NORTHERN LEEWARD ISLANDS SHOULD MONITOR THE PROGRESS OF EARL. WATCHES MAY BE REQUIRED FOR PORTIONS OF THESE ISLANDS TOMORROW. 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 1100 PM AST...0300 UTC...THE CENTER OF TROPICAL STORM EARL WAS LOCATED NEAR LATITUDE 16.0 NORTH...LONGITUDE 47.9 WEST. EARL IS MOVING TOWARD THE WEST NEAR 20 MPH...32 KM/HR...AND THIS GENERAL MOTION WITH A TURN TOWARD THE WEST-NORTHWEST IS EXPECTED OVER THE WEEKEND. ON THE FORECAST TRACK THE CENTER OF EARL COULD APPROACH THE NORTHERN LEEWARD ISLANDS ON SUNDAY NIGHT. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 50 MPH...85 KM/HR...WITH HIGHER GUSTS. SOME STRENGTHENING IS FORECAST AND EARL COULD BECOME A HURRICANE BY SUNDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1002 MB...29.59 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...200 AM AST. NEXT COMPLETE ADVISORY...500 AM AST. $$ FORECASTER BLAKE