Public Tropical Cyclone Advisory
Issued by NWS
Issued by NWS
662 WTPQ31 PGUM 210920 TCPPQ1 BULLETIN Tropical Storm Saudel (17W) Advisory Number 12 National Weather Service Tiyan GU WP172026 720 PM ChST Fri Aug 21 2026 ...TROPICAL STORM SAUDEL IS PASSING WELL EAST OF GUAM AND ROTA AS IT MOVES NORTH-NORTHWEST TOWARDS THE FAR NORTHERN MARIANAS... CHANGES WITH THIS ADVISORY -------------------------- None. WATCHES AND WARNINGS -------------------- A Typhoon Warning remains in effect for Pagan and Agrihan in the Commonwealth of the Northern Mariana Islands. A Typhoon Warning means that typhoon force winds of 74 mph or more are expected, with the onset of damaging winds of 39 mph or greater expected after midnight. A Tropical Storm Warning remains in effect for Alamagan in the Commonwealth of the Northern Mariana Islands. A Tropical Storm Warning means that tropical storm force winds of 39 to 73 mph are expected after midnight. A Typhoon Watch remains in effect for Alamagan in the Commonwealth of the Northern Mariana Islands. A Typhoon Watch means that typhoon force winds of 74 mph or more are possible, depending on a westward shift in the track of Tropical Storm Saudel. A Tropical Storm Watch remains in effect for Tinian, Saipan, and adjacent coastal waters. A Tropical Storm Watch means that tropical storm force winds of 39 to 73 mph are only possible if there is a significant westward shift in the track of Tropical Storm Saudel today or tonight. SUMMARY OF 700 PM CHST...0900 UTC...INFORMATION ----------------------------------------------- Location...15.3N 148.2E About 165 miles east of Saipan About 175 miles east of Tinian About 185 miles east-southeast of Anatahan About 210 miles east-northeast of Rota About 225 miles southeast of Alamagan About 255 miles southeast of Pagan About 260 miles east-northeast of Guam About 290 miles southeast of Agrihan Maximum sustained winds...70 mph Present movement...north-northwest...330 degrees at 9 mph DISCUSSION AND OUTLOOK ---------------------- At 700 PM CHST...0900 UTC...the center of Tropical Storm Saudel was located near Latitude 15.3 degrees North and Longitude 148.2 degrees East. Saudel is moving north-northwest at 9 mph. It is expected to make a slight turn toward the northwest with a slight increase in forward speed through Saturday. Maximum sustained winds have increased to 70 mph. Saudel is forecast to intensify through Saturday possibly becoming a typhoon. Tropical storm force winds extend outward from the center up to 140 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. $$ JAW