000 WTNT31 KNHC 012047 TCPAT1 BULLETIN TROPICAL STORM ERIKA ADVISORY NUMBER 1 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL062009 500 PM EDT TUE SEP 01 2009 ...ERIKA FORMS EAST OF THE NORTHERN LEEWARD ISLANDS...TROPICAL STORM WATCHES ISSUED... AT 5 PM...2100 UTC...THE GOVERNMENT OF THE NETHERLANDS ANTILLES HAS ISSUED A TROPICAL STORM WATCH FOR THE ISLAND OF ST. MAARTEN. AT 5 PM...THE GOVERNMENT OF ANTIGUA AND BARBUDA HAS ISSUED A TROPICAL STORM WATCH FOR THE ISLANDS OF ANTIGUA...BARBUDA...ST. KITTS...NEVIS...AND ANGUILLA. AT 5 PM...THE GOVERNMENT OF FRANCE HAS ISSUED A TROPICAL STORM WATCH FOR THE ISLANDS OF ST. MARTIN AND ST. BARTHELEMY. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS. INTERESTS ELSEWHERE IN THE NORTHERN LEEWARD ISLANDS...U.S. AND BRITISH VIRGIN ISLANDS...AND PUERTO RICO SHOULD MONITOR THE PROGRESS OF ERIKA. 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 OF THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. AT 500 PM EDT...2100 UTC...THE CENTER OF TROPICAL STORM ERIKA WAS LOCATED NEAR LATITUDE 17.2 NORTH...LONGITUDE 57.3 WEST OR ABOUT 390 MILES...625 KM...EAST OF THE NORTHERN LEEWARD ISLANDS. ERIKA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 9 MPH...15 KM/HR... AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS. ON THIS TRACK THE CENTER OF ERIKA IS EXPECTED TO REMAIN TO THE NORTHEAST OF THE LEEWARD ISLANDS. MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/HR...WITH HIGHER GUSTS. SOME SLOW STRENGTHENING IS FORECAST DURING THE NEXT COUPLE OF DAYS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM FROM THE CENTER. THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT IS 1007 MB...29.74 INCHES. ...SUMMARY OF 500 PM EDT INFORMATION... LOCATION...17.2N 57.3W MAXIMUM SUSTAINED WINDS...50 MPH PRESENT MOVEMENT...WEST-NORTHWEST OR 300 DEGREES AT 9 MPH MINIMUM CENTRAL PRESSURE...1007 MB AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 800 PM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100 PM EDT. $$ FORECASTER BLAKE/FRANKLIN