Tropical Storm Mangkhut developed east of the Marianas on Friday.  At 5:00 p.m. EDT on Friday the center of Tropical Storm Mangkhut was located at latitude 13.1°N and longitude 163.2°E which put it about 1275 miles (2060 km) east of Guam.  Mangkhut was moving toward the west at 17 m.p.h. (28 km/h).  The maximum sustained … Continue reading Tropical Storm Mangkhut Develops Eastof the Marianas