057
WTPQ31 PGUM 130418
TCPPQ1
BULLETIN
SUPER TYPHOON SINLAKU (04W) ADVISORY NUMBER 17
NATIONAL WEATHER SERVICE TIYAN GU WP042026
218 PM CHST MON APR 13 2026
..SUPER TYPHOON SINLAKU MOVING NORTHWEST TOWARD THE MARIANAS
CHANGES WITH THIS ADVISORY
--------------------------
A TROPICAL STORM WARNING HAS BEEN ISSUED FOR PAGAN AND ALAMAGAN.
A TROPICAL STORM WATCH HAS BEEN ISSUED FOR AGRIHAN.
THE TROPICAL STORM WARNING AND TYPHOON WATCH FOR ULUL IN CHUUK
STATE HAVE BEEN CANCELLED.
WATCHES AND WARNINGS
--------------------
A TROPICAL STORM WARNING IS NOW IN EFFECT FOR PAGAN AND ALAMAGAN.
A TROPICAL STORM WATCH HAS BEEN ISSUED FOR AGRIHAN.
THE TROPICAL STORM WARNING AND TYPHOON WATCH FOR ULUL IN CHUUK
STATE HAVE BEEN CANCELLED.
A TYPHOON WARNING REMAINS IN EFFECT FOR ROTA, TINIAN, AND SAIPAN.
A TROPICAL STORM WARNING AND TYPHOON WATCH REMAIN IN EFFECT FOR
GUAM.
A TROPICAL STORM WARNING IS NOW IN EFFECT FOR PAGAN AND ALAMAGAN.
A TROPICAL STORM WATCH HAS BEEN ISSUED FOR AGRIHAN.
SUMMARY OF 200 PM CHST...0400 UTC...INFORMATION
-----------------------------------------------
LOCATION...12.6N 148.2E
ABOUT 255 MILES EAST-SOUTHEAST OF ROTA
ABOUT 265 MILES EAST-SOUTHEAST OF GUAM
ABOUT 265 MILES SOUTHEAST OF TINIAN
ABOUT 265 MILES SOUTHEAST OF SAIPAN
ABOUT 400 MILES SOUTH-SOUTHEAST OF ALAMAGAN
ABOUT 430 MILES SOUTH-SOUTHEAST OF PAGAN
ABOUT 475 MILES SOUTH-SOUTHEAST OF AGRIHAN
MAXIMUM SUSTAINED WINDS...180 MPH
PRESENT MOVEMENT...WEST-NORTHWEST...300 DEGREES AT 8 MPH
DISCUSSION AND OUTLOOK
----------------------
AT 200 PM CHST...0400 UTC...THE CENTER OF SUPER TYPHOON SINLAKU
WAS LOCATED BY PGUA RADAR NEAR LATITUDE 12.6 DEGREES NORTH AND
LONGITUDE 148.2 DEGREES EAST. SINLAKU IS MOVING WEST-NORTHWEST AT 8
MPH. IT IS EXPECTED TO MAINTAIN THIS GENERAL COURSE AND SPEED WITH
A SLIGHT TURN TO THE NORTHWEST 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 JTWC FORECAST TRACK HAS SHIFTED THE
STORM PATH SLIGHTLY NORTHWARD, WITH PASSAGE STILL EXPECTED NEAR OR
OVER TINIAN AND SAIPAN.
MAXIMUM SUSTAINED WINDS REMAIN AT 180 MPH. SINLAKU IS FORECAST TO
GRADUALLY WEAKEN THROUGH THE NEXT SEVERAL DAYS, STILL EXPECTING TO
CROSS THE MARIANAS NEAR OR OVER TINIAN AND SAIPAN AS A CATEGORY 4 OR
CATEGORY 5 STORM.
TYPHOON FORCE WINDS EXTEND OUTWARD FROM THE CENTER UP TO 80
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
-------------
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER
SERVICE AT 500 PM CHST THIS AFTERNOON FOLLOWED BY THE NEXT
SCHEDULED ADVISORY AT 800 PM CHST THIS EVENING.
DECOU
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page