679
WTPQ31 PGUM 121900
TCPPQ1
BULLETIN
SUPER TYPHOON SINLAKU (04W) INTERMEDIATE ADVISORY NUMBER 15A
NATIONAL WEATHER SERVICE TIYAN GU WP042026
500 AM CHST MON APR 13 2026
..SUPER TYPHOON SINLAKU MOVING NORTH-NORTHWEST
CHANGES WITH THIS ADVISORY
--------------------------
NONE.
WATCHES AND WARNINGS
--------------------
A TYPHOON WARNING REMAINS IN EFFECT FOR ROTA, TINIAN, AND SAIPAN.
TROPICAL STORM WARNING AND TYPHOON WATCH REMAINS IN EFFECT FOR GUAM.
A TROPICAL STORM WARNING AND TYPHOON WATCH REMAINS IN EFFECT FOR ULUL
IN CHUUK STATE.
A TROPICAL STORM WATCH REMAINS IN EFFECT FOR PAGAN AND ALAMAGAN.
RESIDENTS OF AGRIHAN SHOULD CAREFULLY MONITOR THE PROGRESS OF SUPER
TYPHOON SINLAKU.
SUMMARY OF 400 AM CHST...1800 UTC...INFORMATION
-----------------------------------------------
LOCATION...11.7N 149.5E
ABOUT 215 MILES NORTH OF ULUL
ABOUT 285 MILES NORTHWEST OF FANANU
ABOUT 335 MILES NORTH-NORTHWEST OF CHUUK
ABOUT 335 MILES EAST-SOUTHEAST OF ROTA
ABOUT 340 MILES EAST-SOUTHEAST OF GUAM
ABOUT 345 MILES SOUTHEAST OF TINIAN
ABOUT 345 MILES SOUTHEAST OF SAIPAN
MAXIMUM SUSTAINED WINDS...175 MPH
PRESENT MOVEMENT...NORTH-NORTHWEST...335 DEGREES AT 10 MPH
DISCUSSION AND OUTLOOK
----------------------
AT 400 AM CHST...1800 UTC...THE CENTER OF SUPER TYPHOON SINLAKU WAS
LOCATED NEAR LATITUDE 11.7 DEGREES NORTH AND LONGITUDE 149.5 DEGREES
EAST. SINLAKU IS MOVING NORTH-NORTHWEST AT 10 MPH. IT IS EXPECTED TO
MAKE A SLIGHT TURN TOWARD THE NORTHWEST WITH LITTLE CHANGE IN FORWARD
SPEED THROUGH TUESDAY. THE ONSET OF TROPICAL STORM FORCE WINDS ARE
EXPECTED TO REACH GUAM, ROTA, TINIAN, AND SAIPAN THIS EVENING OR
TONIGHT. TYPHOON FORCE WINDS ARE EXPECTED TO START REACHING ROTA,
TINIAN, AND SAIPAN TUESDAY OR TUESDAY AFTERNOON. LATEST TRACK HAS
CONTINUED THE SLIGHT NORTHWARD SHIFT IN THE STORM PATH, WITH PASSAGE
NEAR OR OVER TINIAN AND SAIPAN.
MAXIMUM SUSTAINED WINDS REMAIN AT 175 MPH. SINLAKU IS FORECAST TO
MAINTAIN THIS INTENSITY THROUGH TUESDAY. SINLAKU MAY MOVE INTO THE
MARIANAS AS A CATEGORY 4 OR 5 TYPHOON.
TYPHOON FORCE WINDS EXTEND OUTWARD FROM THE CENTER UP TO 60 MILES.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD FROM THE CENTER UP TO 275
MILES TO THE NORTHEAST AND UP TO 215 MILES ELSEWHERE.
NEXT ADVISORY
-------------
THE NEXT SCHEDULED ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER
SERVICE IN TIYAN AT 800 AM CHST THIS MORNING FOLLOWED BY AN
INTERMEDIATE ADVISORY AT 1100 AM CHST LATE THIS MORNING.
SCHANK
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