Boodler [1] is an open-source system for generating soundscapes. It comes with a hour long thunderstorm soundscape [2] that grows and then fades away. The auth

Boodler [1] is an open-source system for generating soundscapes. It comes with a hour long thunderstorm soundscape [2] that grows and then fades away. The author of Boodler also has an iOS app [3] specifically for the thunderstorm. [1]: http://boodler.org/ http://boodler.org/ [2]: http://boodler.org/package/com.eblong.ow.storm/ http://boodler.org/package/com.eblong.ow.storm/ [3]: http://zarfhome.com/pocketstorm/ http://zarfhome.com/pocketstorm/