http://www.youtube.com/watch?v=9_DZ7TIm ... re=related

I believe this is a siren test in Trois-Rivieres, Qu?bec, Canada. You can hear a whoop tone and a mechanical siren doing attack. Can anyone tell what kind of siren it is?

When one of the most devastating tornadoes in recent memory ? an EF-5, which is the highest rating on the tornado scale ? struck Greensburg, Kan., in 2007, a warning was issued just 15 minutes before it destroyed 95 per cent of the town. What kind of sirens did Greensburg, KS have? All I know is th...

500 AT fan wrote:They're electronic FS controls. The Whelen will sound more like a Federal Modulator from now on.

Oh, I see. Thanks.

Whelen with a FS cabinet? is being replaced with a 2001 or something?

Isn't Ontario or some cities in Ontario supposed to get a Outdoor Warning System? I remember hearing this on the news after the unexpected tornado outbreak last August.

Nice pictures by the way.

That looks like a pretty thin Whelen... Maybe it's missing something.

I think there's something wrong with it.

http://www.waymarking.com/gallery/image.aspx?f=1&guid=bdab6648-7868-4eb4-9d63-4e5a75b940fc&gid=3 Not the lowest, but WAY too low for a huge Whelen like that--heck, any omnidirectional siren that is so loud. http://www.waymarking.com/gallery/image.aspx?f=1&guid=67970167-202e-4eae-a81b-71...

The thunderbolt looks small

Sounds like an allertor.