1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Clean” Infrared Window (10.35 µm) images, with and without an overlay of GLM Flash Extent Density (above) showed an isolated large thunderstorm moving east-southeastward across the Mexico/Texas border region during the early evening hours on 27 April 2020. Concentric storm-top gravity waves could be seen propagating radially outward from... Read More

Nishinoshima is a small volcanic island (at 27.2471° N, 140.8779° E) about 150 km west of Chichijima.)  Nishinoshima has grown in size over the past decades because of volcanic activity, including activity (apparently accompanied by occasional earthquakes) that started in March 2020.   Day Night Band imagery from NOAA-20, above, (toggled with an annotated image) shows the light from... Read More