Severe thunderstorms developed  over the Front Range of Colorado during the late afternoon and early evening of 18 June 2018. One of the GOES-16 (GOES-East) Mesoscale Domain Sectors positioned over that region provided 1-minute data — shown above is a comparison of “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.3 µm) images of these storms... Read More

@CIMSS_Satellite: Any idea what the relatively small, darker area/depression was going over Grundy County (west of Waterloo) from 1232z to 1342z? Most prevalent at 1312z. Shows up in all GOES bands. Channel 7 also shows a corresponding darker area just north of that area. — Andrew Ansorge (@ajsorge) June 18, 2018... Read More

NOAA-20 VIIRS Day/Night Band (0.7 µm), Shortwave Infrared I04 (3.75 µm), Shortwave Infrared M13 (4.05 µm) and Longwave Infrared (11.45 µm) images (above) showed signatures of the ongoing lava flows from the Lower East Rift Zone of the Kilauea volcano on the Big Island of Hawai’i at 1225 UTC (2:25... Read More