5-minute CONUS Sector GOES-16 (GOES-East) Visible and Infrared images (above) displayed a thunderstorm that was moving southeast from Aberdeen (KABR) to Watertown (KATY) in northeastern South Dakota on 24 February 2025. While overall GLM-detected lightning activity was relatively modest, periodic increases in Flash Extent Density (orange to red pixels) were evident.A Special... Read More

The past few days have brought devastating rain and flooding to the Australian state of Queensland, in the country’s northeast. The community of Paluma received more than 1.4 meters (4.5 feet) of rain over the weekend, and damage to roads and bridges carried out by the torrents of water have... Read More

With the increasing threat for strong to severe convection across the western portion of Hawai’i, a Severe Thunderstorm Watch was issued for an area centered on the island of Kauai at 1522 UTC on 30th January 2025 (above).5-minute CONUS Sector GOES-18 Clean Infrared Window (10.3 µm) images (above) showed elongated... Read More

1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Clean Infrared Window images (above) showed the thunderstorm that produced a EF-U rated tornado just east of Interstate 5 in northern Tehama County, California late in the day on 3rd January 2025 (this was the first verified tornado in the US for 2025). Cloud-top 10.3 µm infrared brightness... Read More