JMA Himawari-9 Ash RGB images created using Geo2Grid (above) showed a major eruption of Anak Krakatau in Indonesia, which began around 1620 UTC on 04 September 2026. A middle-tropospheric volcanic ash cloud (depicted by shades of red to magenta) remained closer to the volcano — while an upper-tropospheric SO2 cloud (shades of... Read More
10-minute Full Disk scan GOES-18 (GOES-West) GeoColor RGB images with an overlay of Next Generation Fire System (NGFS) Fire Detection polygons (above) showed the thermal signature associated with the Mukluk Fire near Tok, Alaska — which began around 1940 UTC on 17 August 2026. With winds at Tok gusting to 20-30 mph, the fire spread... Read More
1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Visible images (above) and Infrared Window images (below) showed the slow organization of cloud features associated with Tropical Storm Lala southeast of Hawai’i on 13 August 2026. Overlays of GOES-18 GLM Flash Points indicated that lightning activity was sparse during that time period. Lala was moving... Read More
Wildfires continue to burn across large portions of the Pacific Northwest; you can see our earlier posts about these fires throughout the previous week. Persistent drought across the west has fostered conditions that are ideal for wildfire growth. However, the impact of these fires is being felt much further to the east as... Read More
