A somewhat unusual feature was visible off of the coast of Wisconsin’s Door Peninsula on 15 December 2025. Bands of clouds were separated by narrow, tight corridors of clear air. Such straight lines are not common for natural features in the atmosphere, which hints that they may be anthropogenic in... Read More

While longtime residents of the Great Lakes region are familiar with lake breezes, their opposite, land breezes can also impact local weather conditions. In the spring and summer, the density difference in the air over the warm land and the cool lake induces a breeze that blows cold air ashore.... Read More

5-minute CONUS Sector GOES-19 (GOES-East) Nighttime Microphysics RGB + daytime True Color RGB images from the CSPP GeoSphere site (above) showed numerous power plant plumes (shades of red) embedded within a supercooled water droplet c  loud layer (shades of yellow) that covered much of Wisconsin on 02 December 2025.The GOES-19 Cloud Top Phase derived product (below) confirmed... Read More

When you hear about the lake effect, you almost always think about the Great Lakes, whose impacts on local weather and climate are well-known across the upper Midwest and into the northeast. It may, then, seem odd to consider a lake effect event in North Dakota. However, if conditions are... Read More