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Category: ProbSevere

Atlanta Hailstorm Grounds Flights, Causes Massive Delays

While Chicago O’Hare recently retook the crown of the country’s busiest airport in terms of number of flights, Atlanta’s Hartsfield-Jackson International Airport (ATL) continues to have the largest number of passengers. A great number of those ATL passengers were significantly inconvenienced on the evening of 6 March 2026 as a... Read More

Rare February Tornadoes Strike the Midwest

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

Southeast Supercells

A shortwave impulse spawned numerous supercell thunderstorms in a highly unstable and well-sheared environment in the Southeast U.S. ProbSevere v3 readily tracked numerous severe and tornadic storms across the region.One storm in particular produced tornadoes in Madison, Alabama, and prompted a tornado emergency warning. In this example, the ProbTor v3 was much higher... Read More