![A "horse-shoe" vortex is seen amongst cumulus mediocris in a benign sky over central Oklahoma. There exists many forms and hierarchies of vortices in the atmosphere, some benign such as seen here and some dangerous such as destructive tornadoes.](https://www.weatherpix.com/img-get/I0000XHXckLn1H.c/s/860/688/wsi-cld060.jpg)
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A "horse-shoe" vortex is seen amongst cumulus mediocris in a benign sky over central Oklahoma. There exists many forms and hierarchies of vortices in the atmosphere, some benign such as seen here and some dangerous such as destructive tornadoes.
Filename: wsi-cld060.tif
Copyright Gene Rhoden/Weatherpix
Copyright Gene Rhoden/Weatherpix