5-minute CONUS Sector GOES-18 (GOES-West) Infrared images (above) revealed the exposed low-level circulation center (LLCC) of Tropical Storm Kiko as the system continued to weaken north of the Hawaiian island of Oahu, and downgraded to a Post-Tropical Cyclone at 1500 UTC on 10 September 2025. Clusters of deep convection developed north... Read More
Lightning caused a 1-hour delay in the Eagles vs Cowboys football game at Lincoln Financial Field in Philadelphia (NFL.com) during the evening hours on 04 September 2025 (as a pre-frontal squall line was approaching the area) — the delay lasted from 10:25 pm ET (0225 UTC on 05 September) to 11:30... Read More
1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Visible and Infrared images (above) showed the westward motion of of Hurricane Kiko during an 8.5-hour period as the tropical cyclone was rapidly intensifying (SATCON) from a Category 2 storm at 1500 UTC on 03 September 2025 to a Category 3 storm at 1800 UTC and... Read More
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
