WTPQ32 PGUM 160311 TCPPQ2 BULLETIN Tropical Storm Champi (29W) Advisory Number 7 National Weather Service Tiyan GU WP292026 111 PM ChST Fri Oct 16 2026 ...TROPICAL STORM CHAMPI MOVING RAPIDLY WEST ON APPROACH TO THE MARIANAS... ...CHAMPI LIKELY TO MOVE NEAR GUAM AND ROTA AS A TYPHOON... CHANGES WITH THIS ADVISORY -------------------------- A Typhoon Warning has been issued for Guam, Rota, and the adjacent waters. A Tropical Storm Warning has been issued for Tinian, Saipan, and the adjacent waters. WATCHES AND WARNINGS -------------------- A Typhoon Warning is in effect for Guam, Rota, and the adjacent waters. A Tropical Storm Warning is 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. A Flood Watch remains in effect for Guam, Rota, Tinian, Saipan. A Flood Watch means excessive runoff may result in flooding of rivers, creeks, streams and other low-laying flood-prone locations. SUMMARY OF 100 PM CHST...0300 UTC...INFORMATION ----------------------------------------------- Location...11.4N 153.3E About 205 miles north-northeast of Fananu About 290 miles north-northeast of Chuuk About 570 miles east-southeast of Tinian About 570 miles east-southeast of Saipan About 575 miles east-southeast of Rota About 590 miles east-southeast of Guam Maximum sustained winds...50 mph Present movement...west...265 degrees at 24 mph DISCUSSION AND OUTLOOK ---------------------- At 100 PM CHST...0300 UTC...the center of Tropical Storm Champi was located near Latitude 11.4 degrees North and Longitude 153.3 degrees East. Champi is moving west at 24 mph. It is expected to make a slight turn toward the west-northwest with a decrease in forward speed through Saturday as it continues toward the Marianas. This general forecast track will take Champi close to, or over, Guam Sunday morning. Maximum sustained winds have increased to 50 mph. Champi is forecast to intensify over the next few days, likely becoming a typhoon by Saturday. Tropical storm force winds extend outward from the center up to 75 miles. NEXT ADVISORY ------------- An intermediate advisory will be issued by the National Weather Service at 500 PM ChST followed by the next scheduled advisory at 800 PM ChST. $$ Montvila