WTPQ33 PGUM 121508 RRA

TCPPQ3



BULLETIN

TROPICAL STORM 18W ADVISORY NUMBER 4

NATIONAL WEATHER SERVICE TIYAN GU WP182016

200 AM CHST TUE SEP 13 2016



...TROPICAL STORM 18W CONTINUES TO MOVE AWAY FROM THE MARIANAS...



CHANGES WITH THIS ADVISORY

--------------------------

NONE.



WATCHES AND WARNINGS

--------------------

NONE.



SUMMARY OF 100 AM CHST...1500 UTC...INFORMATION

-----------------------------------------------

LOCATION...13.9N 139.8E



ABOUT 335 MILES WEST OF GUAM

ABOUT 360 MILES WEST OF ROTA

ABOUT 395 MILES WEST OF TINIAN

ABOUT 405 MILES WEST OF SAIPAN

ABOUT 325 MILES NORTH-NORTHEAST OF YAP



MAXIMUM SUSTAINED WINDS...45 MPH

PRESENT MOVEMENT...WEST-NORTHWEST...295 DEGREES AT 15 MPH



DISCUSSION AND OUTLOOK

----------------------



AT 100 AM CHST...1500 UTC...THE CENTER OF TROPICAL STORM 18W

WAS LOCATED NEAR LATITUDE 13.9 DEGREES NORTH AND LONGITUDE 139.8

DEGREES EAST...MOVING WEST-NORTHWEST AT 15 MPH. TROPICAL STORM 18W

IS FORECAST TO MAINTAIN THIS GENERAL MOVEMENT THROUGH TUESDAY BEFORE

TURNING SLOWLY NORTHWEST TUESDAY NIGHT AND WEDNESDAY.



MAXIMUM SUSTAINED WINDS REMAIN AT 45 MPH. 18W IS EXPECTED TO

INTENSIFY OVER THE NEXT FEW DAYS...AND COULD BECOME A TYPHOON

TUESDAY AFTERNOON OR TUESDAY NIGHT.



TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 40 MILES FROM THE

CENTER.



NEXT ADVISORY

-------------

THE NEXT SCHEDULED ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER

SERVICE AT 800 AM THIS MORNING.



$$



KLEESCHULTE