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