Strong Santa Ana winds and dry conditions caused multiple fires in Los Angeles county on 7-8 January 2025 (here is a blog post on the Palisades fire, for example). What information on these fires is provided by the Next-Generation Fire System (NGFS) website? The Alerts Dashboard at that site shows the latest Thermal Anomalies; when... Read More

1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Shortwave Infrared (3.9 µm) along with Red Visible (0.64 µm) + Fire Mask derived product images (above) displayed a pronounced thermal signature associated with the Palisades Fire located between Malibu and Santa Monica in Southern California on 7th January 2025. The 3.9 µm brightness temperatures at the... Read More

A selection of several GOES ABI loops during 2022 and 2023 showcased the diverse range of features observed, which included volcanic ash plumes, hurricanes, convection, fog, smoke, fires, dust and ice. It’s very hard to choose just one event from every month of the year, but the goal here is to show a variety of phenomena and locations that... Read More

10-minute JMA Himawari-9 AHI “Red” Visible (0.64 µm), Shortwave Infrared (3.9 µm) and “Clean” Infrared Window (10.4 µm) images (above) showed the formation of a pyrocumulonimbus (pyroCb) cloud that was spawned by a bushfire in Grampians National Park in far southeast Australia on 20th December 2024. The pyroCb cloud exhibited cloud-top 10.4... Read More