NASA finds Prapiroon strengthen into a typhoon
https://phys.org/news/2018-07-nasa-prapiroon-typhoon.html
The VIIRS image showed that Prapiroon's center was located between Taiwan to the southwest and the big island of Japan to the northeast. VIIRS showed a powerful band of thunderstorms wrapping into the low-level center from the north and east. A large band of thunderstorms extended around the eastern quadrant of the storm, from north to south.
On July 2 at 11 a.m. EDT (1500 UTC) Typhoon Prapiroon's center was located near 28.2 degrees north latitude and 127.3 degrees east longitude. That's approximately 105 nautical miles north-northwest of Kadena Air Base, Okinawa Island, Japan. Prapiroon was moving to the north-northeast at 10.3 mph (9 knots/16.6 kph). Maximum sustained winds 86.3 mph (75 knots/139 kph).