An unexpected surprise on this year's Yellowstone trip was watching a storm blow across the lake.
We were staying in a Lake Lodge cabin and I thought I'd take a look at the lake before turning in for the night. The clouds looked interesting as I approached the water.
Not long after reaching the shoreline bolts of lightning fired out from the clouds now and again. Of all the times to leave the GoPro (for video) back in the room!
In between several lightning bolts a full arc rainbow appeared for several short minutes.
The lightning settled down but the clouds continued to put on an impressive show. The lake was gently lapping at the shore when I had arrived but the wind picked up and small whitecaps formed quickly. I avoided most of the rain and wind by standing on the leeward side of a tree near the lakeshore.
This last picture is a two second exposure while I tried using a log for a tripod.
Awesome, @TractorDoc!
Below: Interesting multiple cloud layers to the west of Moose Mountain in Alberta, as a cold front approached from the northeast yesterday.
We got stormed and hailed upon up at Kroenke Lake in the Collegiate Peaks a couple weekends ago, but the sun poked through and gave us a pretty sweet rainbow that dove behind the south face of Mount Yale (on the right).
The fog that rolled in right after this was pretty creepy as well, especially since we found a fresh deer kill that we're pretty certain was from a mountain lion on the bank of the lake as we were hiking out.