WTPQ33 PGUM 211908

TCPPQ3



BULLETIN

TROPICAL DEPRESSION 27W INTERMEDIATE ADVISORY NUMBER 8A

NATIONAL WEATHER SERVICE TIYAN GU WP272017

500 AM CHST SUN OCT 22 2017



...SHOWERS AND THUNDERSTORMS APPROACHING MARIANAS WATERS FROM 27W...



CHANGES WITH THIS ADVISORY

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NONE.



WATCHES AND WARNINGS

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NONE.



SUMMARY OF 400 AM CHST...1800 UTC...INFORMATION

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LOCATION...11.3N 147.6E



ABOUT  290 MILES SOUTH-SOUTHEAST OF SAIPAN

ABOUT  290 MILES SOUTH-SOUTHEAST OF TINIAN

ABOUT  250 MILES SOUTHEAST OF ROTA

ABOUT  245 MILES SOUTHEAST OF GUAM



MAXIMUM SUSTAINED WINDS...35 MPH

PRESENT MOVEMENT...WEST-SOUTHWEST...240 DEGREES AT 7 MPH.



DISCUSSION AND OUTLOOK

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

AT 400 AM CHST...1800 UTC...THE CENTER OF TROPICAL DEPRESSION 27W

WAS LOCATED NEAR LATITUDE 11.3 DEGREES NORTH AND LONGITUDE 147.6

DEGREES EAST...MOVING WEST-SOUTHWEST AT 7 MPH. TROPICAL DEPRESSION

27W IS EXPECTED TO TURN TO THE SOUTHWEST TODAY BEFORE TURNING TO THE

NORTHWEST ON MONDAY OR TUESDAY. THIS FORECAST TRACK HAS TROPICAL

DEPRESSION 27W PASSING SOUTH OF GUAM ON TUESDAY.



MAXIMUM SUSTAINED WINDS REMAIN AT 35 MPH. TROPICAL DEPRESSION 27W IS

NOT EXPECTED TO SIGNIFICANTLY INTENSIFY TODAY, BUT SOME GRADUAL

INTENSIFICATION IS EXPECTED MONDAY.



THERE IS STILL SOME UNCERTAINTY ON HOW CLOSE 27W WILL PASS TO GUAM

SO THIS SYSTEM SHOULD STILL BE CLOSELY WATCHED FOR ANY CHANGES IN

MOTION OR INTENSITY UNTIL IT IS TO THE WEST.



NEXT ADVISORY

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THE NEXT SCHEDULED ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER

SERVICE AT 800 AM THIS MORNING, WITH AN INTERMEDIATE ADVISORY AT

1100 AM.



...



ZIOBRO