As an anomalously-deep low pressure system was moving eastward from the Chukchi Sea to the Beaufort Sea off the northern coast of Alaska (surface analyses), strong southwesterly to westerly surface winds caused inland flooding that led to some road closures in the Utqiagvik (formerly Barrow) area on 12-13 September 2026. 10-minute... Read More
1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Infrared Window images (above) showed Category 2 Hurricane Lowell as its center moved northeastward (track) and passed about 40 miles west of the Hawaiian island of Ni’ihau on 08 September 2026. While sparse, 1-minute GOES-18 GLM Flash Points did indicate that some intermittent lightning activity... Read More
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
1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Visible images (above) revealed mesovortices within the eye of Hurricane Lowell as it reached Category 5 intensity over the Central Pacific by 2100 UTC on 02 September 2026. Plots of 1-minute GOES-18 GLM Flash Points highlighted the intermittent lighting activity within the surrounding eyewall.A larger-scale view... Read More
