Side note: my 73 year old father (still in top notch climbing condition) is in this photo (maybe 1/4 of one pixel ). He had just gotten done soloing both middle and south sister and was camping up on south sister (the mountain on the left) when this thunderstorm had rolled through. Right before our shoot I had talked with him via cell phone.
Canon 5D Mark2
Processed mainly in LR4 raw.