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 6.00″ in diameter near Kankakee, Illinois at 2330 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
5-minute CONUS Sector GOES-19 (GOES-East) Mid-level Water Vapor (6.9 µm) images (above) showed the evolution of a large and intense Nor’easter that produced as much as 37.9 inches of snowfall in Rhode Island (a preliminary State record) and wind gusts as high as 84 mph in New York (WPC Storm Summary) during the 22 February... Read More
48 hours of 5-minute CONUS Sector GOES-19 (GOES-East) Water Vapor images that included hourly plots of surface weather type (above) showed the development of a winter storm that produced up to 19.5″ of snowfall and wind gusts as high as 64 mph in eastern North Carolina (storm summary) — and even... Read More
