Here is the 10-day forecast in which potential areas of enhanced severe thunderstorm risk are highlighted from my experimental index. Dates in which the atmosphere appears to be most conducive o/Plains are 5/17-18, 5/20-21. For the Eastern U.S.: 5/17, 5/19-22. pic.twitter.com/YyeSZhahER

— Mike Ventrice (@MJVentrice) May 14, 2019