GOES-16 (GOES-East) Upper-level Water Vapor (6.2 µm) and Mid-level Water Vapor (6.9 µm) images (above) displayed leeside cold frontal gravity waves (reference) as they propagated southward across Oklahoma, Texas and far eastern New Mexico on 8th February 2025.In a corresponding animation that included plots of surface wind barbs, peak wind gusts and... 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 4th February 2025. The pyroCb exhibited cloud-top 10.4 µm... Read More

5-minute PACUS Sector GOES-18 (GOES-West) True Color RGB images from the CSPP GeoSphere site (above) displayed the bright white signature of fresh snow cover on the summits of Mauna Kea and Mauna Loa on the Big Island of Hawai`i on 1st February and 2nd February 2025. This snowfall occurred as a... 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