variations on a Theme

On any given day in July, the skies can show you anything,

from this:

to this:

to this:

birth of a Thunderstorm

This whole sequence took about 90 seconds in the early evening light. A juicy atmosphere and fast moving cold front built up dramatic thunderclouds in a matter of moments. This fella eventually spawned a couple of tornadoes out over the South Dakota prairie east of us, thankfully no injuries or damage reported.