1-minute Mesoscale Domain Sector GOES-19 (GOES-East) “Red” Visible (0.64 µm) images (above) showed supercell thunderstorms that produced tornadoes, hail as large as 4.25″ in diameter and wind gusts as high as 100 mph (SPC Storm Reports) across parts of Texas and Oklahoma on 08 June 2025. Frequent pulses of overshooting tops were apparent with these thunderstorms.In the corresponding 1-minute... Read More

10-minute Full Disk scan GOES-18 (GOES-West) “Clean” Infrared Window (10.3 µm) images and “Red” Visible (0.64 µm) images with an overlay of the FDCA Fire Mask derived product (above) showed that a large wildfire south of La Ronge (station identifier CYVC) in central Saskatchewan produced a pyrocumulonimbus (pyroCb) cloud during... Read More

1-minute Mesoscale Domain Sector GOES-19 (GOES-East) daytime True Color RGB images created using Geo2Grid (above) showed blowing dust (shades of tan) — lofted by strong southerly thunderstorm outflow winds with gusts as high as 60-70 mph — as it moved northward across northeastern Illinois and northwestern Indiana (and eventually southern Lake Michigan... Read More

1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Visible (0.64 µm) with an overlay of the FDCA Fire Mask derived product (above) showed the large thermal anomaly associated with a wildfire in the Nopiming Provincial Park (located just west of the Manitoba/Ontario border) as it made a rapid northeastward run of ~20 miles on... Read More