WTPQ31 PGUM 150237

TCPPQ1



BULLETIN

TROPICAL STORM KOPPU (24W) ADVISORY NUMBER 9

NATIONAL WEATHER SERVICE TIYAN GU WP242015

200 PM CHST THU OCT 15 2015



...TROPICAL STORM KOPPU SLOWLY STRENGTHENING...



CHANGES WITH THIS ADVISORY

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NONE.



WATCHES AND WARNINGS

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NONE.



SUMMARY OF 100 PM CHST...0300 UTC...INFORMATION

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LOCATION...15.3N 131.3E



ABOUT 590 MILES NORTH-NORTHWEST OF KOROR

ABOUT 610 MILES NORTHWEST OF YAP

ABOUT 910 MILES WEST OF GUAM



MAXIMUM SUSTAINED WINDS...60 MPH

PRESENT MOVEMENT...WEST-SOUTHWEST...275 DEGREES AT 12 MPH



DISCUSSION AND OUTLOOK

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AT 100 PM CHST...0300 UTC...THE CENTER OF TROPICAL STORM KOPPU WAS

NEAR LATITUDE 15.3 NORTH AND LONGITUDE 131.3 EAST. KOPPU IS MOVING

WEST AT 12 MPH. KOPPU WILL MAINTAIN THIS HEADING WITH A SLIGHT

DECREASE IN FORWARD SPEED THE NEXT FEW DAYS.



MAXIMUM SUSTAINED WINDS HAVE INCREASED TO 60 MPH. KOPPU IS FORECAST

TO INTENSIFY THE NEXT FEW DAYS...POSSIBLY BECOMING A TYPHOON LATE

TONIGHT OR EARLY FRIDAY MORNING. TROPICAL STORM FORCE WINDS EXTEND

OUTWARD UP TO 125 MILES FROM THE CENTER.



NEXT ADVISORY

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THE NEXT SCHEDULED ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER

SERVICE AT 800 PM THIS EVENING.



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