While much of the weather world on 23 February 2026 has turned its eyes to the east coast of the United States due to the presence of a strong bomb cyclone and an associated blizzard in the most densely-populated region of the country, the effects of this event are being... Read More

1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Nighttime Microphysics RGB + daytime True Color RGB images from the CSPP GeoSphere site (above) showed the formation of a long power plant plume (nighttime shades of red) embedded within a supercooled water droplet cloud layer (nighttime shades of yellow) that grew in length and width as... Read More

The evening of 19 February featured a rare-for-the-midwest winter tornado outbreak. Tornadoes were reported in several locations in southern Illinois and Indiana, accompanied by numerous reports of hail and damaging winds. Much of the severe weather happened after dark as well. Multiple tornadoes were reported across the two states, with... Read More

While it may be winter, unseasonably warm conditions on February 19 were able to support convection across portions of the midwest and into southern Ontario. Convection began firing at multiple locations, including metropolitan St. Louis, Missouri; northeastern Indiana, and southeastern Illinois. To start with, let’s look at the 1500 UTC... Read More