Tornado Siren Test (Golden, CO, 5/10/17)

The annual activation of the Denver Metro warning sirens, happening the rainy morning of May 10. This siren is located where S. Golden Road becomes Indiana right before meeting Colfax.
I'm unsure what kind of siren it technically is, but I've only heard it sound once in an emergency. Good strong sound. I'd say this is a successful test.

[@thefuturefrontierpilot75]

Let’s hope it was a test. I hope to NEVER hear that tone on other circumstances other than a test. (That tone means attack)

[@samschannel531]

It screaming at the billboard guy! Must not like him

[@thefuturefrontierpilot75]

Lol 😂

[@CentralPASirens]

It's most likely a Whelen 4004 of some sort, either that or a Whelen Vortex. Even though i'm a siren enthusiast, I can't tell the difference between the two.

[@DJ2226]

It's a 4004. The Vortex isn't voice capable.

[@banditbrodie__9992]

We have tons of them here

[@uuhhhhhhhhhhhhhhhhhh]

I thought you’re only supposed to test on days with clear skies

[@thefuturefrontierpilot75]

No, just because it’s cloudy doesn’t mean there’s bad weather on the way.

[@techart9644]

When do they test these?

[@mnsirens]

This is a Whelen WPS-4004.

[@txtsirenboy]

Its a whelen 4004 in waill

[@thefuturefrontierpilot75]

(Attack)

[@banditbrodie__9992]

I think that is a 4004

[@CL-zk2yg]

Whelen vortex or 4004