Public Tropical Cyclone Advisory
Issued by NWS
Issued by NWS
210 WTPQ31 PGUM 300321 TCPPQ1 BULLETIN Tropical Storm Jangmi (06W) Advisory Number 12 National Weather Service Tiyan GU WP062026 121 PM ChST Sat May 30 2026 ...TROPICAL STORM JANGMI MOVING NORTHWEST... CHANGES WITH THIS ADVISORY -------------------------- None. WATCHES AND WARNINGS -------------------- None. SUMMARY OF 100 PM CHST...0300 UTC...INFORMATION ----------------------------------------------- Location...17.9N 129.8E About 795 miles north-northwest of Koror About 805 miles northwest of Yap About 1040 miles west-northwest of Guam About 1055 miles west-northwest of Rota About 1065 miles west-northwest of Tinian About 1070 miles west-northwest of Saipan Maximum sustained winds...65 mph Present movement...northwest...315 degrees at 13 mph DISCUSSION AND OUTLOOK ---------------------- At 100 PM CHST...0300 UTC...the center of Tropical Storm Jangmi was located near Latitude 17.9 degrees North and Longitude 129.8 degrees East. Jangmi is moving northwest at 13 mph. It is expected to make a slight turn toward the north-northwest with little change in forward speed through Sunday. Maximum sustained winds have increased to 65 mph. Jangmi is forecast to intensify through Sunday, possibly becoming a typhoon this evening. Tropical storm force winds extend outward from the center up to 205 miles to the south and up to 175 miles to the north. NEXT ADVISORY ------------- This will be the last advisory issued by the National Weather Service on Jangmi. $$ Kleeschulte