Spanish Lightening storm

I know that there is a sub section for photos but feel this warrants it's own thread as I feel I'll get a better answer on here. But if it needs moving feel free mods.

While out in the Murica region of Spain last week we encountered 2 fantastic lightening storms. What was very surreal for me was the fact that the first night there was no thunder to be heard from the storm I was watching at all and it lasted a good 2.5 hours? I could hear distant thunder from surrounding storms
but they were a long ways away from me.

Anyone know why?

I Thought I'd add in 2 videos I've uploaded of the storms as they really were immense. I'm sure you guys will appreciate them. First one is 1.50 in length and is as recorded (not edited) counted 33 bolts or forks in the video! I also added in the music as all you could hear was me wetting myself with excitement

Second video is a fairly poor slowmo compilation video of some of the better forks I recorded. Just a few good looking bolts in the latter part of the video, the clicking you hear is my camera shutter.

Last but not least a once in a lifetime photo I feel taken on the second night.