On April 15th, I made a time-lapse video of the clouds. These clouds are the result of rising air. We use this rising air to gain altitude in our gliders and stay aloft for hours.
-Todd
This is a timelapse of two portions of a day at the Greater Houston Soaring Association in Wallis, Texas. Easily seen are the clouds that are the result of rising air (thermals) due to differential heating of the ground from the sun. Come visit us at: http://www.houstonsoaring.org