Another Sky Sounds Video from Atlanta 11/8/2012, page 1

I posted a video a while back with some sky sounds here... www.abovetopsecret.com...

The one below I just recorded earlier today and it is a completely different sound. It was much higher pitched and siren like but the sky is clear and there are no siren tests in the area today that I know if. Can anyone recognize the sound? It was coming from all around, not a specific direction so I couldn't really get a good idea of if this was from machinery or what it may have been. Any ideas?

And yes.....that is me again in the video so those of you on here know I am not just reposting some whackjob's video from youtube....though some may consider me a whackjob.....

reply to post by Vasa Croe

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It winds up and down a couple of times, especially at the end it winds down. Some type of machinery, grinder, lathe, or siren. Doesn't sound unusual to me. I hear stuff like that all the time, I just never thought of it as strange.

reply to post by Vasa Croe

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It reminds me of the alarm here in Norway. We have an alarm the government can put on to warn us if there's any bombing from planes ahead. They test it now and then, and when I saw your video I thought it was something like that.

Originally posted by darkhorserider
reply to post by Vasa Croe

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It winds up and down a couple of times, especially at the end it winds down. Some type of machinery, grinder, lathe, or siren. Doesn't sound unusual to me. I hear stuff like that all the time, I just never thought of it as strange.

Yeah it does wind up and down but I am not in an area where heavy equipment would be used close by. My first thought was a siren but looking it up there are none that I could find that are scheduled for testing today. What type of machinery makes that kind of sound?

Check this out (0:33 onwards). Sounds kinda similar - imagine playing it slowly to increase the sustain of the sound...

Any drummers/percussionists in your area?!

reply to post by Hefficide

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In my area Tornado sirens are tested the first Wednesday of the month at 12 noon, I don't know if that's statewide or not.

reply to post by kosmicjack

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Sadly I am so out of touch with local things that I don't even know the schedule here.

A thought... heavy machinery that spins can sound that way due to the Doppler effect. Like a road resurfacing machine at a distance.

Wild! Just posted this yesterday, I'm south of Denver:

www.abovetopsecret.com...

Then I saw this this morning, someone outside of Minneapolis:

www.abovetopsecret.com...

Originally posted by Fazza!
Check this out (0:33 onwards). Sounds kinda similar - imagine playing it slowly to increase the sustain of the sound...

Any drummers/percussionists in your area?!

YouTube Link

edit on 8/11/2012 by Fazza! because: (no reason given)

That is cool...my kids would love that thing though I am sure I would grow to hate it after a few minutes. LOL!

reply to post by Vasa Croe

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My questions to you are... Does it wind down at the end like a siren? Do the sirens in your area rotate or are they omni-directional. Last but not least, do the warning sirens ever resonate with metal roofing material or equipment nearby?

reply to post by MadhatterTheGreat

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i agree it's a siren test... I hear them twice a month living in tornado alley as well... and they do run unscheduled test alot in the spring and fall for various reasons.. maintenance just being one of any number of reasons.. and they do it at NOON so citizens know it's not an actual emergency..

reply to post by Vasa Croe

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It's a C-5 at Lockheed. The engines that the C-5A/B use have a siren type pitch to them that is unique to that aircraft. Lockheed's plant at Marietta is upgrading C-5s to the M standard, so they are flying them in one or two at a time to upgrade.

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