Public Tropical Cyclone Advisory
Issued by NWS
Issued by NWS
612 WTPQ32 PGUM 011849 TCPPQ2 BULLETIN Tropical Storm Choi-wan (26W) Intermediate Advisory Number 7A National Weather Service Tiyan GU WP262026 449 AM ChST Fri Oct 2 2026 ...TROPICAL STORM CHOI-WAN MOVING WEST THROUGH THE NORTHERN MARIANAS, SOUTHWEST OF ALAMAGAN... CHANGES WITH THIS ADVISORY -------------------------- None. WATCHES AND WARNINGS -------------------- A Tropical Storm Warning remains in effect for Tinian, Saipan, Alamagan, Pagan, and Agrihan in the CNMI. A Typhoon Watch remains in effect for Alamagan, Pagan, and Agrihan in the CNMI. A Tropical Storm Warning means that tropical storm conditions are expected within 24 hours. A Typhoon Watch means that typhoon conditions, including winds of 74 mph or more, are possible within 48 hours. SUMMARY OF 500 AM CHST...1900 UTC...INFORMATION ----------------------------------------------- Location...16.8N 145.2E About 45 miles northwest of Anatahan About 70 miles southwest of Alamagan About 100 miles south-southwest of Pagan About 120 miles north-northwest of Saipan About 130 miles north-northwest of Tinian About 140 miles south-southwest of Agrihan About 180 miles north of Rota About 230 miles north of Guam Maximum sustained winds...60 mph Present movement...west...260 degrees at 12 mph DISCUSSION AND OUTLOOK ---------------------- At 500 AM CHST...1900 UTC...the center of Tropical Storm Choi-wan was located near Latitude 16.8 degrees North and Longitude 145.2 degrees East. Choi-wan is moving west at 12 mph. It is expected to slow as it continues westward early this morning, passing to the southwest of Alamagan. Choi-wan is then expected to make a turn toward the northwest, then north with a decrease in forward speed through Friday. Then, Choi-wan looks to gradually turn to the north-northeast late Friday night through Saturday after it emerges west of the northern islands. Maximum sustained winds remain at 60 mph. Choi-wan is forecast to intensify through tonight. Tropical storm force winds extend outward from the center up to 125 miles. NEXT ADVISORY ------------- The next scheduled advisory will be issued by the National Weather Service at 800 AM ChST followed by an intermediate advisory at 1100 AM ChST. $$ DeCou