As also discussed in this blog post, large hail injured as many as 90 people at a Red Rocks outdoor concert in Colorado just after local sunset on 21 June 2023. 1-minute Mesoscale Domain Sector “Clean” Infrared Window (10.3 µm) images (with/without an overlay of GLM Flash Extent Density) from GOES-16 (GOES-East) (above) and GOES-18 (GOES-West) (below) showed the east-northeastward motion... Read More

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) images (above) with/without an overlay of GLM Flash Extent Density (above) showed the development of a thunderstorm that produced the fatal EF3-rated tornado that moved through Perryton, Texas (located about 4 miles southwest of airport identifier KPYX) from 2206-2217 UTC on 15 June 2023. A modest amount of lightning activity was associated... Read More

The Storm Prediction Center predicted a moderate risk of severe weather (link) over the southern Plains of the US on 15 June 2023. The animation above shows surface-based CAPE derived from 4-km WRF model output. This model incorporates information from Polar Hyperspectral Soundings via the Fusion process. Model CAPE fields are overlain... Read More

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Clean” Infrared Window (10.3 µm) images with time-matched (+/- 3 minutes) plots of SPC Storm Reports (above) showed thunderstorms that produced several tornadoes, hail as large as 5.00 inches in diameter, and damaging winds to 82 mph across parts of Mississippi, Alabama, Georgia and Florida on 14 June 2023. Pulses of overshooting tops exhibited infrared brightness temperatures... Read More