1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Infrared Window images (above) included plots of Flood Watch/Warning/Advisory polygons (Flash Flood Emergencies appeared as bold red polygons) across the Hill Country of Texas on 16 July 2026. After previous days of heavy rainfall, the high rainfall rates of these latest thunderstorms caused considerable... Read More
1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Visible images with an overlay of the Fire Mask derived product (above) showed the smoke plumes and thermal signatures associated with numerous wildfires across far northeastern Minnesota and southern Ontario on 13 July 2026. An elevated fire risk was in place, due to very warm surface... Read More
1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Infrared Window images combined with the FDCA Fire Mask derived product (above) showed that the Cottonwood Fire in southwestern Utah produced a sequence of pyrocumulonimbus (pyroCb) clouds beginning late in the day on 23 June 2026. These pyroCbs eventually drifted eastward across the Utah/Colorado border.Each... Read More
1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Visible and Infrared Window images (above) showed Potential Tropical Cyclone One as is intensified to form Tropical Storm Arthur as of 1500 UTC on 17 June 2026. Plots of surface winds at METAR sites revealed that strongest winds were occurring in the eastern semicircle of Arthur, with a... Read More
