GOES-18 True Color imagery during the day on 7 April, above, shows the development of a standing wave downwind of the elevated topography on the Aleutian peninsula between King Salmon and Perryville. (Note also the faint signal of volcanic ash as discussed here) What atmospheric conditions support the development of... Read More

Heavy rains during the first week of April have led to significant flooding along the Ohio (and other) Rivers. The slider above compares True-Color imagery from CSPP Geosphere on 24 March — long before the rains — and on the morning of 7 April 2025 — during the floods. The expansion of... Read More