1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Clean Infrared Window (10.3 µm) images combined with the FDCA Fire Mask derived product (above) showed that the Dollar Lake Fire in western Wyoming produced a pyrocumulonimbus (pyroCb) cloud as it was experiencing very active fire behavior (growing in size from 1300 to 5000 acres) in... Read More
1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Visible and Infrared images (above) showed the WNW motion of the eye of Hurricane Erin during a 7-hour period as the tropical cyclone rapidly intensified from a Category 4 storm at 0950 UTC to a Category 5 storm at 1520 UTC, north of the Leeward Islands on... Read More
1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Infrared images (above) showed thunderstorms that produced very heavy rainfall — with 4 sites reporting over 11 inches across parts of the Milwaukee metro area (text list | radar-estimated rainfall) during the 12-hour period from early in the evening on 09 August into the early morning hours on 10 August 2025.... Read More
1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Visible images (above) showed the rapid development of thunderstorms that produced strong wind gusts across parts of northeast Illinois and northwest Indiana on 24 July 2025 — forcing ground stops for all scheduled inbound flights to Chicago’s Midway and O’Hare airports (beginning at 1945 UTC). The peak... Read More
