As mentioned in Wednesday’s blog post, a significant geomagnetic storm continued to make impacts last night, with many across the central and northern portions of North America able to relatively easily spot the aurora borealis for the second night in a row. As anyone who has watched the aurora from the ground... Read More

A series of recent coronal mass ejections from the sun cased a severe geomagnetic storm on earth. On the evening of 11 November 2025 into the early morning of the 12th, this resulted in a very strong aurora borealis event visible across much of the continental United States. Reports came... Read More

10-minute Full Disk scan GOES-18 (GOES-West) Mid-level Water Vapor images (above) showed the remnants of Typhoon Halong (North Pacific surface analyses) as it entered the Bering Sea late in the day on 11 October, re-intensified to a Hurricane Force low pressure (Alaska surface analyses) then eventually moved inland across far western and northwestern Alaska later in... Read More

2.5-minute Target Sector JMA Himawari-9 Infrared images (above) showed Ragasa as it intensified from a Category 4 Typhoon at 0000 UTC on 21 September 2025 to a Category 5 (140-knot) Super Typhoon at 0600 UTC and then further to a 145-knot Super Typhoon by 1200 UTC (SATCON). There was a... Read More