280
WTPQ31 PGUM 130645
TCPPQ1
BULLETIN
SUPER TYPHOON SINLAKU (04W) INTERMEDIATE ADVISORY NUMBER 17A
NATIONAL WEATHER SERVICE TIYAN GU WP042026
445 PM CHST MON APR 13 2026
..SUPER TYPHOON SINLAKU MOVING NORTHWEST TOWARD THE MARIANAS
CHANGES WITH THIS ADVISORY
--------------------------
NONE.
WATCHES AND WARNINGS
--------------------
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 REMAINS IN EFFECT FOR PAGAN AND
ALAMAGAN.
A TROPICAL STORM WATCH REMAINS IN EFFECT FOR AGRIHAN.
SUMMARY OF 500 PM CHST...0700 UTC...INFORMATION
-----------------------------------------------
LOCATION...12.7N 148.0E
ABOUT 210 MILES EAST-SOUTHEAST OF ROTA
ABOUT 220 MILES EAST-SOUTHEAST OF GUAM
ABOUT 225 MILES SOUTHEAST OF TINIAN
ABOUT 225 MILES SOUTHEAST OF SAIPAN
ABOUT 370 MILES SOUTH-SOUTHEAST OF ALAMAGAN
ABOUT 405 MILES SOUTH-SOUTHEAST OF PAGAN
ABOUT 445 MILES SOUTH-SOUTHEAST OF AGRIHAN
MAXIMUM SUSTAINED WINDS...180 MPH
PRESENT MOVEMENT...WEST-NORTHWEST...300 DEGREES AT 8 MPH
DISCUSSION AND OUTLOOK
----------------------
AT 500 PM CHST...0700 UTC...THE CENTER OF SUPER TYPHOON SINLAKU
WAS LOCATED BY PGUA RADAR NEAR LATITUDE 12.7 DEGREES NORTH AND
LONGITUDE 148.0 DEGREES EAST. SINLAKU IS MOVING NORTHWEST AT
8 MPH. IT IS EXPECTED TO CONTINUE 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 SOON THIS EVENING OR TONIGHT. TYPHOON FORCE
WINDS ARE EXPECTED TO START REACHING ROTA, TINIAN, AND SAIPAN
TUESDAY OR TUESDAY AFTERNOON. LATEST JTWC FORECAST TRACK STILL
MAINTAINS PASSAGE NEAR OR OVER TINIAN AND SAIPAN.
MAXIMUM SUSTAINED WINDS REMAIN AT 180 MPH. SINLAKU IS FORECAST TO
GRADUALLY WEAKEN THROUGH THE NEXT SEVERAL DAYS, HOWEVER, IT IS
STILL EXPECTED 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
-------------
THE NEXT SCHEDULED ADVISORY WILL BE ISSUED BY THE NATIONAL
WEATHER SERVICE AT 800 PM CHST THIS EVENING FOLLOWED BY AN
INTERMEDIATE ADVISORY AT 1100 PM CHST TONIGHT.
DECOU
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