This is a complex sentence. The picture apparently references a song about a place called Wichita. The pattern of the sentence is kind of inverted, giving it an idiomatic sound: as one does, so does another. Or 'Just the way one does/did something, the other other has done the same thing'. The title refers to two places - wichita falls & wichita. The title suggests Wichita 'fell' (or was taken over by an enemy). Then it says, the same thing happened to wichita falls. I wouldn't think too deeply on it. I believe they wanted to make a funny pun on the name 'wichita falls', so the sentence is structured to allow the use of the verb 'falls' before the place name 'wichita falls' By the way, 'falls' in a place name, indicates that it is associated with a Watterfall, or a place where a river flows over the edge of a cliff.

The confusion arises because of the verb fall (3rd person singular falls) and two town names: Wichita and Wichita Falls. So, from what I gather, this is just "As falls 1, so falls 2" meaning "if Wichita goes down, Wichita Falls goes down as well".

Both the title and the cover art refer to https://en.wikipedia.org/wiki/1979_Red_River_Valley_tornado_outbreak, according to an article in Texas Monthly, June 1982. Just search for the title in combination with tornado. (The German wikipedia page is surprisingly more detailed than the English one.)