OHIO – Cold air funnels could develop over the afternoon after mixtures of hot and cold air move throughout the region
Cold air funnels form beneath showers or weak thunderstorms when the air aloft is especially cold. The funnels are most common in the fall and spring when the sun is able to heat up the lower levels of the atmosphere, causing convection to bubble up and form showers, but temperatures around 15,000 to 20,000 feet above the ground are quite cold. Cold air funnels are usually harmless, but on rare occasions they can touch down and cause EF-0 level (winds up to 85 mph) tornado damage.
The National weather says that most likely if any form it will be around “a weak boundary situated along the I-70 corridor. These types of funnels typically hang down a few hundred feet from the cloud base and remain aloft. They usually dissipate after a few minutes.”