However, the low level rotation never tightened up. The wall cloud never looked like a tornado producer, although a few funnel clouds did develop (you can see one on the left, south side of the wall cloud in the picture below).
We followed the storm as it slowly propagated northeastward. While it was near Inerstate 76, its base shrunk, and we decided to call it a day.
We overnighted in Fort Collins.
