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 the period leading up to the formation of Tropical Storm Arthur during the evening of 16 May 2020 (at 03 UTC on 17 May) — making it the first tropical cyclone of the season in... Read More