847 WTPQ32 PGUM 160908 TCPPQ2 BULLETIN Tropical Storm Champi (29W) Advisory Number 8 National Weather Service Tiyan GU WP292026 708 PM ChST Fri Oct 16 2026 ...TROPICAL STORM CHAMPI INTENSIFYING AND MOVING WEST TOWARDS THE MARIANAS... CHANGES WITH THIS ADVISORY -------------------------- None. WATCHES AND WARNINGS -------------------- A Typhoon Warning remains in effect for Guam, Rota, and the adjacent waters. A Tropical Storm Warning remains in effect for Tinian, Saipan, and the adjacent waters. A Typhoon Watch remains in effect for Tinian and Saipan in the Mariana Islands, and the adjacent coastal waters. A Typhoon Warning means that typhoon conditions, including winds of 74 mph or more, are expected by Sunday morning, with tropical storm force winds arriving Saturday night. A Tropical Storm Warning in conjunction with a Typhoon Watch means that tropical storm winds of 39 and 73 mph are expected by Saturday night, and typhoon force winds are possible if the track of Tropical Storm Champi shifts sufficiently northward. SUMMARY OF 700 PM CHST...0900 UTC...INFORMATION ----------------------------------------------- Location...11.6N 152.1E About 205 miles north of Fananu About 490 miles east-southeast of Saipan About 495 miles east-southeast of Rota About 495 miles east-southeast of Tinian About 510 miles east-southeast of Guam About 590 miles southeast of Alamagan About 615 miles southeast of Pagan About 655 miles southeast of Agrihan About 960 miles east of Yap Maximum sustained winds...60 mph Present movement...west...275 degrees at 13 mph DISCUSSION AND OUTLOOK ---------------------- At 700 PM CHST...0900 UTC...the center of Tropical Storm Champi was located near Latitude 11.6 degrees North and Longitude 152.1 degrees East. Champi is moving west at 13 mph. It is expected to make a slight turn toward the west-northwest with a slight increase in forward speed through Saturday. This general forecast track will take Champi close to, or over, Guam Sunday morning. Maximum sustained winds have increased to 60 mph. Champi is forecast to continue intensifying over the next few days, possibly becoming a typhoon Saturday morning. Tropical storm force winds extend outward from the center up to 100 miles. NEXT ADVISORY ------------- An intermediate advisory will be issued by the National Weather Service at 1100 PM ChST followed by the next scheduled advisory at 200 AM ChST early Saturday morning. $$ Mesa