Public Tropical Cyclone Advisory
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000
WTPQ31 PGUM 041900
TCPPQ1

BULLETIN
TROPICAL STORM CHAN-HOM (09W) INTERMEDIATE ADVISORY NUMBER 17A
NATIONAL WEATHER SERVICE TIYAN GU WP092015
500 AM CHST SUN JUL 5 2015

...TROPICAL STORM CHAN-HOM MOVING TOWARD ROTA...

CHANGES WITH THIS ADVISORY
--------------------------
NO CHANGES.

WATCHES AND WARNINGS
--------------------
A TYPHOON WARNING REMAINS IN EFFECT FOR SAIPAN AND TINIAN AND THEIR
COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR
MORE...ARE POSSIBLE WITHIN 24 HOURS.

A TROPICAL STORM WARNING REMAINS IN EFFECT FOR ROTA AND THEIR
COASTAL WATERS. TROPICAL STORM CONDITIONS...INCLUDING WINDS OF 39
TO 73 MPH...ARE OCCURRING OR EXPECTED WITHIN 12 HOURS.

A TYPHOON WATCH REMAINS IN EFFECT FOR GUAM AND ROTA AND ADJACENT
COASTAL WATERS.

SUMMARY OF 400 AM CHST...1800 UTC...INFORMATION
-----------------------------------------------
LOCATION...13.8N 145.7E

ABOUT  40 MILES EAST-SOUTHEAST OF ROTA
ABOUT  70 MILES EAST-NORTHEAST OF GUAM
ABOUT  85 MILES SOUTH OF TINIAN AND
ABOUT  90 MILES SOUTH OF SAIPAN

MAXIMUM SUSTAINED WINDS...45 MPH
PRESENT MOVEMENT...NORTHWEST...310 DEGREES AT 8 MPH.

DISCUSSION AND OUTLOOK
----------------------
AT 400 AM CHST...1800 UTC...THE CENTER OF TROPICAL STORM CHAN-HOM
WAS LOCATED BY RADAR NEAR LATITUDE 13.8 DEGREES NORTH AND LONGITUDE
145.7 DEGREES EAST. LATEST RADAR IMAGERY INDICATES THE CENTER HAS
MOVED TOWARD THE NORTHWEST AT ABOUT 8 MPH THE PAST COUPLE OF
HOURS... BUT THE MOTION IS STILL EXPECTED TO BE SOMEWHAT ERRATIC THE
NEXT SEVERAL HOURS BEFORE IT BEGINS MOVING MORE TOWARD THE NORTHWEST
AGAIN LATER THIS MORNING OR THIS AFTERNOON.

MAXIMUM SUSTAINED WINDS REMAIN AT 45 MPH. TROPICAL STORM FORCE WINDS
EXTEND OUTWARD UP TO 100 MILES FROM THE CENTER IN THE EAST SEMICIRCLE.
CHAN-HOM IS EXPECTED TO INTENSIFY SLOWLY THE NEXT COUPLE OF DAYS AS IT
BEGINS MOVING OVER THE PHILIPPINE SEA.

NEXT ADVISORY
-------------
THE NEXT SCHEDULED ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER
SERVICE AT 800 AM FOLLOWED BY AN INTERMEDIATE ADVISORY AT 1100 AM
LATER THIS MORNING.

$$

W. AYDLETT



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