1-minute Mesoscale Domain Sector GOES-18 (GOES-West) “Clean” Infrared Window (10.3 µm) images (above) are shown with and without an overlay of GLM Flash Extent Density and contours of Lightning Cast Probability from 1530-1915 UTC on 01 June 2023 — the time period covering outdoor graduation ceremonies at the Air Force Academy in eastern Colorado. LightningCast provided good lead time, with Probability values over the Air Force Academy... Read More

2 people were hospitalized after being struck by lightning on a Colorado Springs golf course (media report) around 2140 UTC on 26 May 2023. 5-minute GOES-16 (GOES-East) “Clean” Infrared Window (10.3 µm) images (above) showed thunderstorms that were increasing in coverage/intensity as they moved northeastward toward the Colorado Springs area (eventually producing 1.00-inch-diameter hail) — and Lightning Cast... Read More

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.3 µm) images (above) showed thunderstorms that produced several tornadoes, hail up to 4.50 inches in diameter and wind gusts to 73 mph (SPC Storm Reports) in addition to heavy rainfall across parts of central and eastern Nebraska (NWS Omaha summary) on 12 May 2023.Pulsing thunderstorm overshooting tops exhibited infrared brightness... Read More

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.3 µm) images (above) showed thunderstorms that produced several tornadoes, hail up to 4.00 inches in diameter, wind gusts to 81 mph and heavy rainfall (SPC Storm Reports) across northeast Colorado, northwest Kansas and southwest Nebraska on 10 May 2023.1-minute GOES-16 Infrared images (below) include an overlay of GLM Flash Extent Density — most of... Read More