Final warning issued for Tropical Storm Nanmadol, moving rapidly toward dissipation over northwest Pacific. (Joint Typhoon Warning Center)

7:30 a.m. Tuesday, Sept. 20, Japan time: Final warning for Tropical Storm Nanmadol has been issued by Joint Typhoon Warning Center. At 3 a.m., Nanmadol was about 300 miles southwest of Misawa Air Base, moving east-northeast at 30 mph with 52-mph sustained winds and 63-mph gusts at center. Nanmadol passed 155 miles northwest of Yokota Air Base at 6 a.m. and is forecast to pass 112 miles southeast of Misawa at 5 p.m. as a tropical storm.