5-minute CONUS Sector GOES-19 (GOES-East) Water Vapor images (above) included hourly plots of surface weather type (R=rain, S=snow, ZR=freezing rain, L=drizzle, F=fog) during the 4-day period (23 January – 26 January 2026) that a major winter storm impacted much of the southern and eastern US. According to the WPC storm summary, some notable storm statistics included: 23″... Read More

5-minute CONUS Sector GOES-19 (GOES-East) Red Visible and Near-Infrared “Snow/Ice” images (above) displayed a cluster of aircraft dissipation trails or “distrails” (in contrast to aircraft condensation trails or contrails) that drifted eastward across Ohio on 24 January 2026.These distrail features were caused by aircraft that were either ascending through or descending through a... Read More

Strong northerly winds created blowing snow and blizzard conditions across parts of eastern North Dakota and western Minnesota — particularly within the Red River Valley — on 17 January 2026. 5-minute CONUS Sector GOES-19 (GOES-East) Near-Infrared “Snow/Ice” images (above) showed the development of Horizontal Convective Rolls (HCRs) where winds were channeled down the... Read More

10-minute Full Disk scan GOES-18 (GOES-West) daytime True Color RGB and Nighttime Microphysics RGB images — created using Geo2Grid (above) — showed the offshore transport of glacial silt from the Copper River Delta in Southcentral Alaska from 11-23 December 2025. Even though cloud cover occasionally obscured the signature of this plume of airborne... Read More