Flagstaff Monsoon Weather Time Lapse, August 28 – 31, 2011

Warm, moist air from the Gulf of Mexico brings turbulent air, cumulus clouds and localized showers to the Flagstaff area. Towering Cumulonimbus clouds rise seven miles to the bottom of the Stratosphere and then spread across the sky.. The speed of the action in this video has been increased by a factor of 120.