10-minute Full Disk scan GOES-18 (GOES-West) images (above) showed notable signatures of the strong reflection of solar radiation off either open water or mixed water/ice across the Chukchi Sea and Beaufort Sea north of Alaska on 08 July 2026. Cursor samples near the center of strong reflection at 0900 UTC... Read More

Social media lit up on 4 July 2026 with video of a strong rotating condensation funnel from Cantwell, Alaska, on the southern edge of the Alaska Range. You can see the video in this news story from KTUU-TV in Anchorage. This funnel was seen around 5 PM local time, or... Read More

CIMSS research scientist Rich Dworak sent along a sequence of NOAA-20 VIIRS Day/Night Band images (above) that included satellite-derived Atmospheric Motion Vectors — which depicted an anomalously deep polar low just north of Greenland during the 25-26 May 2026 period.Another feature of interest seen in the Day/Night Band imagery was the breakup... Read More

10-minute Full Disk scan GOES-18 (GOES-West) Infrared and Water Vapor images (above) showed the evolution of a mountain wave cloud south of the Brooks Range in northern Alaska on 01 March 2026. The coldest cloud-top infrared brightness temperatures were -61C (darker shades of red).A toggle between GOES-18 Water Vapor and Infrared... Read More