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 lower-altitude ash cloud (depicted by shades of magenta) remained closer to the volcano — while a higher-altitude SO2 cloud (shades of yellow-green) moved... 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

5-minute CONUS Sector GOES-18 (GOES-West) daytime True Color RGB and Nighttime Microphysics RGB images spanning the 7-day period from 31 July to 06 August 2026 (above) showed numerous dense smoke plumes emanating from active wildfires, along with widespread residual smoke from previous days of wildfire activity across much of the Pacific Northwest. At night, thermal... Read More

While the Pacific has kept seeing its share of intense tropical systems, the Atlantic has been quieter. This is consistent with what we expect with a strong El Niño, as the global scale impacts from that phenomenon tend to include increased wind shear in the Caribbean and western Atlantic which... Read More