The Great Lakes have a significant amount of thermal mass, meaning it takes a long time for them to cool down as the seasons change from summer to autumn. Often during this time of year, the air overlying the lakes is warmer than the lakes themselves. As water evaporates from... Read More

For the second day in a row, residents of the southern United States have awoken to dense fog advisories. A view of the continental United States surface map shows that overall, there is very weak synoptic forcing across the south, which results in calm winds and little mixing or advection.... Read More

A selection of several GOES ABI loops during 2022 and 2023 showcased the diverse range of features observed, which included volcanic ash plumes, hurricanes, convection, fog, smoke, fires, dust and ice. It’s very hard to choose just one event from every month of the year, but the goal here is to show a variety of phenomena and locations that... Read More

5-minute CONUS Sector GOES-19 (Preliminary/Non-operational) True Color RGB and Blowing Snow RGB images created using Geo2Grid (above) displayed a small patch of radiation fog over Lake Mendota that slowly dissipated during the morning hours on 25th December 2024 (the Blowing Snow RGB is a modified version of the Day Snow-Fog RGB, which uses higher spatial resolution Band 2... Read More