WTPQ31 PGUM 132138

TCPPQ1



BULLETIN

TROPICAL STORM KOPPU (24W) ADVISORY NUMBER 4

NATIONAL WEATHER SERVICE TIYAN GU WP242015

800 AM CHST WED OCT 14 2015



...TROPICAL STORM KOPPU CONTINUES WEST...



CHANGES WITH THIS ADVISORY

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NONE.



WATCHES AND WARNINGS

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NONE.



SUMMARY OF 700 AM CHST...2100 UTC...INFORMATION

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LOCATION...15.7N 137.1E



ABOUT 575 MILES WEST OF SAIPAN

ABOUT 535 MILES WEST-NORTHWEST OF GUAM

ABOUT 435 MILES NORTH OF YAP



MAXIMUM SUSTAINED WINDS...45 MPH

PRESENT MOVEMENT...WEST...265 DEGREES AT 14 MPH



DISCUSSION AND OUTLOOK

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AT 700 AM CHST...2100 UTC...THE CENTER OF TROPICAL STORM KOPPU WAS

LOCATED NEAR LATITUDE 15.7 NORTH AND LONGITUDE 137.1 EAST. KOPPU IS

MOVING WEST AT 14 MPH. THIS WESTWARD MOTION WILL CONTINUE THE NEXT

COUPLE OF DAYS WITH A SLIGHT TURN TO THE WEST-NORTHWEST BY FRIDAY.



MAXIMUM SUSTAINED WINDS HAVE INCREASED TO 45 MPH. KOPPU IS FORECAST

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

THURSDAY. TROPICAL STORM FORCE WINDS EXTEND OUT TO ABOUT 90 MILES

FROM THE CENTER...MAINLY TO THE NORTH.



NEXT ADVISORY

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THE NEXT SCHEDULED ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER

SERVICE AT 200 PM THIS AFTERNOON.



...



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