David Glover finds an interesting sign next to the airport in
Kimball where they are staying the night:

Read closely or click on the picture for a larger version.

They flew from Fort Morgan in Colorado in tough conditions once again. Robin
landed northwest of Pine Bluffs, Colorado. Pine Bluffs is on the border next to
Nebraska.

All day there was the local threat of thunderstorms, but there was a south east
wind. Thursday evening the thunderstorms arrived in Kimball: