WTPQ32 PGUM 021304 TCPPQ2 BULLETIN Tropical Storm Choi-wan (26W) Intermediate Advisory Number 10A National Weather Service Tiyan GU WP262026 1104 PM ChST Fri Oct 2 2026 ...TROPICAL STORM CHOI-WAN NEARLY STATIONARY AS IT CONTINUES WEST- NORTHWEST AWAY FROM ANATAHAN... CHANGES WITH THIS ADVISORY -------------------------- None. WATCHES AND WARNINGS -------------------- A Typhoon Warning remains in effect for Agrihan and Pagan in the CNMI. A Tropical Storm Warning remains in effect for Tinian, Saipan, and Alamagan in the CNMI. A Typhoon Watch remains in effect for Alamagan in the CNMI. A Typhoon Warning means that typhoon conditions are expected, including winds of 74 mph or more, with tropical storm force winds beginning within 24 hours. A Tropical Storm Warning means that tropical storm conditions, including winds of 39 to 73 mph, are expected within 24 hours. A Typhoon Watch means that typhoon conditions are possible within 24 hours. SUMMARY OF 1100 PM CHST...1300 UTC...INFORMATION ----------------------------------------------- Location...17.3N 144.7E About 75 miles west-southwest of Alamagan About 90 miles northwest of Anatahan About 90 miles southwest of Pagan About 120 miles south-southwest of Agrihan About 165 miles north-northwest of Saipan About 170 miles north-northwest of Tinian About 220 miles north of Rota About 265 miles north of Guam Maximum sustained winds...70 mph Present movement...west-northwest...300 degrees at 2 mph DISCUSSION AND OUTLOOK ---------------------- At 1100 PM CHST...1300 UTC...the center of Tropical Storm Choi-wan was located near Latitude 17.3 degrees North and Longitude 144.7 degrees East. Choi-wan is nearly stationary to the northwest of Anatahan, moving west-northwest at 2 mph. It is expected to make a turn toward the north-northeast with an increase in forward speed through Saturday. Maximum sustained winds remain at 70 mph. Choi-wan is forecast to intensify through Saturday as it continues north- northeast toward Agrihan, likely becoming a typhoon tonight within the next few hours. The latest forecast shows Choi-wan as a Category 1 Typhoon as it passes Pagan to the west and moves near or over Agrihan, Saturday afternoon, and a Typhoon Warning was issued for Agrihan and Pagan. Tropical storm force winds extend outward from the center up to 255 miles to the south and up to 175 miles to the north. NEXT ADVISORY ------------- The next scheduled advisory will be issued by the National Weather Service at 200 AM ChST early Saturday morning followed by an intermediate advisory at 500 AM ChST. $$ DeCou