Please post cool weather links of particular interest to soaring pilots.

To kick things off, here is a One Year Satellite Photo Timelapse of North America from 2015-04-14 to 2016-04-15. One second of playback time equals 7.5 hours of real time.

https://www.youtube.com/watch?v=ChjSlRZ-SZA

It's a lot to take in. Hit the space bar to pause the video when you need to refocus.