Designing sound for a poetic documentary

For another module, I'm doing the sound for a 'poetic documentary' exercise. Our film is themed around isolation, and so I've decided to try to come up with the closest thing to a 'lonely' soundscape I can.

For one atmos, I went out on two separate nights with a pair of tie-clip mics and hung them inside grates on different roads. The first night I went out, there was a lot of wind, resulting in quite a loud deep rumbling sound, but the wires for the microphones were also blown about by the wind, meaning there was also sound of the wires hitting the metal grades. The second night there was less wind, but to be safe, I went to a road that was better sheltered from the wind, and recorded the rumbling sound (and occasional slash) of inside the grates.

In Adobe Audition, I've been layering different recordings together and editing some to produce a wind-like sound that has a strong low-frequency rumble.

 I added some fairly extreme EQ to one track to produce a wind-like 'howling' sound.

I then added a delay to add some ambience to make the track fit better with the other sounds, and also to add more to the 'howl' sound. This delay also adds a certain rhythm and otherworldly feel to the overall sound, but is for the most part masked by the other sounds, making this effect both subtle and, in a way, stronger.