A barrage of lightning near Cashion, Oklahoma during a normal summer thunderstorm evening on August 1, 2013.
A westward moving complex of storms in the summer months of 2013. This line of storms formed as a retrograding low began moving west across the southern US. With dry downsloping flow off of the Ozarks, a dryline formed in reverse of what we typically expect, with storms forming and moving west into Central Oklahoma. [...]