1-minute Mesoscale Domain Sector GOES-19 (GOES-East) GeoColor RGB images with an overlay of Next Generation Fire System (NGFS) Fire Detection polygons (above) displayed the thermal signatures and daytime smoke plume associated with the Morrill Fire (Watch Duty | InciWeb) in the Nebraska Panhandle on 12 March 2026 (the initial NGFS detection was at 1939 UTC). Surface observations in the vicinity... Read More
As a strong arctic cold front moved southward across the Gulf of Mexico toward southern Mexico on 12 March 2026, the cold front fractured as it moved inland across Mexico’s Isthmus of Tehuantepec — the cold air was then channeled southward through Chivela Pass and emerged as a Tehuano (or “Tehuantepecer“)... Read More
1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Visible and Infrared images with time-matched plots of SPC Storm Reports (above) showed thunderstorms that produced several tornadoes and numerous reports of hail — most notably, as large as 6.10″ in diameter near Kankakee, Illinois at 2328 UTC. If verified, that would be the largest hailstone on record for... Read More
5-minute CONUS Sector GOES-19 (GOES-East) Visible and Infrared images (above) showed a supercell thunderstorm that developed in northern Indiana and tracked northeast across far southern Lower Michigan on 06 March 2026. This thunderstorm formed in the vicinity of a warm front (surface analyses) that was moving northward across the region — surface plots indicated... Read More
