From the mailbag early on Friday 9 May 2025 The contrail show over the Lake MI region is pretty crazy this morning with the rotated flow aloft. Wondering if these are originating from a bunch of intercontinental flights that touch high latitudes in "great circle" fashion.What did the mid-level water... Read More
10-minute Full Disk scan GOES-19 (GOES-East) “Red” Visible (0.64 µm), Shortwave Infrared (3.9 µm) and “Clean” Infrared Window (10.3 µm) images (above) showed that a wildfire in central Saskatchewan produced a pyrocumulonimbus (pyroCb) cloud on 08 May 2025 (this was the first documented pyroCb of the 2025 North America wildfire season). The... Read More
GOES-19 True-Color animations on 5 May and 4 May 2025 (from the CSPP Geosphere site) show a circulation cut off from the main westerlies and slowly meandering across the Ohio River Valley. The system has become a bit more symmetric on the 5th as it separates more completely from the front along the east... Read More
Storm Prediction Center storm reports for the 24 hours ending 1200 UTC on 30 April 2025 show a line of strong wind reports from the mid-Mississippi River valley east-northeastward into central Pennsylvania. What satellite products could have been useful on 29 April to anticipate the arrival of these strong winds?... Read More
