GOES-16 (GOES-East) “Red” Visible (0.64 µm) and Near-Infrared “Snow/Ice” (1.61 µm) images (above) revealed a number of aircraft “hole punch clouds” and cloud dissipation or “distrail” features drifting eastward across southern Lake Michigan and adjacent states on 20 December 2017. These cloud features were caused by aircraft that were either ascending or descending through... Read More

The Bezymianni volcano on Russia’s Kamchatka Peninsula erupted at 0345 UTC on 20 December 2017 — an animation of Himawari-8 Infrared Window (10.4 µm) images and retrieved Ash Cloud Height product from the NOAA/CIMSS Volcanic Cloud Monitoring site (above) indicated that the ash reached heights of 18 km (the Tokyo VAAC estimated the ash... Read More