According to the Tokyo VAAC, Sheveluch (located on Russia’s Kamchatka Peninsula) erupted around 0508 UTC (text | image) on 31 July 2026. A signature of the resulting volcanic cloud became apparent in 10-minute Full Disk scan GOES-18 (GOES-West) Ash RGB images (above) and Dust RGB images (below), created using Geo2Grid. Brighter shades... 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

2.5-minute Target Sector Himawari-9 Visible images (above) and Infrared Window images (below) showed Super Typhoon Dolphin as it reached 150-knot Category 5 intensity (ADT | D-MINT | SATCON) over the West Pacific Ocean (north of the Marshall Islands) at 2100 UTC on 29 July 2026. Mesovortices were evident within the... Read More

1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Visible and Infrared Window images (above) included time-matched plots of SPC Storm Reports — most notably the EF3-rated tornado that moved through the Appleton/Menasha area in northeastern Wisconsin, beginning around 1656 UTC — produced by clusters of thunderstorms on 27 July 2026. Very large hail also occurred in Wisconsin... Read More