https://phys.org/news/2018-08-nasa-satellite-tropical-depression-rumbia.html

On Aug. 15 at 5 a.m. EDT (0900 UTC), the Joint Typhoon Warning Center (JTWC) reported the center of Rumbia was located near latitude 28.5 degrees north and longitude 126.6 degrees east. That's about 107 nautical miles north-northwest of Kadena Air Base, Okinawa Island, Japan. The tropical depression was moving toward the north-northwest. Maximum sustained winds were near 34.5 mph (30 knots/55.5 kph).

Rumbia is expected to briefly become a tropical storm before weakening and making landfall near Shanghai, China on Aug. 16.

                                                            
                                    
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NASA satellite image Tropical Depression Hector elongating, weakening