Simulation of blowing wind created by mouthing wind sounds into the mic, then processing with large-room reverb. Recorded with a rode nt1a condenser mic.
10 minutes of wind used for a thunderstorm i'm creating on pro tools. The beginning is dead silence and goes until about 9:45. A compilation of winds found here on freesound and set on loop.
White noise from a synth with shifting filters. Sounds like harsh winter wind. Used this for wind sound effect in a play sound design for a scene in the mountains of nepal.