5-minute CONUS Sector GOES-19 (GOES-East) Water Vapor and Infrared images (above) showed the development of a standing wave cloud over northeast Minnesota and Lake Superior on 19 January 2026. This cloud feature was formed by a vertically-propagating internal gravity wave that resulted from the interaction of post-frontal northwesterly surface winds with the... Read More

Much of the state of Alaska is finds itself impacted by a strong atmospheric river on Friday, 16 January 2026. Moisture has been plunging due north from the tropics to the southern coast of Alaska. The river has brought with it precipitation and temperatures well above normal. One of the... 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

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