WTPQ31 PGUM 090828

TCPPQ1



BULLETIN

TROPICAL DEPRESSION 20W ADVISORY NUMBER 3

NATIONAL WEATHER SERVICE TIYAN GU WP202017

800 PM ChST Sat Sep 9 2017



...TROPICAL DEPRESSION 20W MOVES WEST AND STRENGTHENS SLIGHTLY...



CHANGES WITH THIS ADVISORY

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None.



WATCHES AND WARNINGS

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None.



SUMMARY OF 700 PM CHST...0900 UTC...INFORMATION

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Location...15.1N 142.9E



About  170 miles northwest of Guam

About  170 miles west-northwest of Rota

About  180 miles west of Tinian

About  190 miles west of Saipan



Maximum sustained winds...35 mph

Present movement...west...280 degrees at 15 mph



DISCUSSION AND OUTLOOK

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At 700 PM CHST...0900 UTC...the center of Tropical Depression 20W

will be located near latitude 15.1 North and longitude 142.9 East,

moving west at 15 mph. Tropical Depression 20W is expected to

continue on a west to west-northwest track at a slower forward speed

for the next few days.



Maximum sustained winds have increased to 35 mph. Tropical

Depression 20W is forecast to intensify slowly, and is expected to

become a tropical storm by Sunday morning well west of the Marianas.



NEXT ADVISORY

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The next scheduled advisory will be issued by the National Weather

Service at 200 AM early Sunday morning.



$$



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