https://phys.org/news/2018-07-nasa-brightness-temperatures-tropical-cyclone.html

At 11 a.m. EDT (1500 UTC) on July 24, the Joint Typhoon Warning Center or JTWC noted that Tropical Depression 15W.was located near 19.8 degrees north latitude and 137.2 degrees east longitude. That's about 376 nautical miles southwest of Iwo To Island, Japan.15W had maximum sustained winds near 30 knots (34.5 mph/55.5kph) and was moving to the north.

The Joint Typhoon Warning Center forecast said 15W will move north, later northeast and is expected to intensify to 90 knots over the next three days, before gradually weakening. The typhoon is expected to make landfall near Tokyo on July 29.

                                                            
                                    
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