[Redid the video since I wasn't pleased with the first one] Outdoor warning sirens are so prominent and widespread in the US that you're bound to see some weird stuff happen to one eventually. Here is a selection that I found.
Timestamps:
0:00 | Intro
0:06 | Shiver me timbers
0:19 | Power interruption
0:49 | Snowblower
1:15 | "Beeeeeeeewooooooop"
1:34 | Downshifting
1:53 | Coughing up grass
2:08 | absolutely BARFING
2:49 | Hula-hooping
3:07 | Hesitation
3:26 | rAnDoM YOLO SiGnAlS
3:59 | "I'm on SPEeEeeEEeeEEed!"
4:23 | *sQuEaK* cough
4:42 | Honorable mentions
4:47 | AAAAAAAAAAAAAA
4:57 | DTMF telephone
5:08 | End of video
Video credits (in order of appearance):
[PENDING] https://www.youtube.com/watch?v=ZV43PWtzXTM
https://www.youtube.com/watch?v=dvUY4gPDyXw
[PENDING] https://www.youtube.com/watch?v=GmjExt_7V_k
[PENDING] https://www.youtube.com/watch?v=LoFTdPYtRYc
[PENDING] https://www.youtube.com/watch?v=z2eLCUxLg_4
[PENDING] https://www.youtube.com/watch?v=Es_qnYRd7pM
https://www.youtube.com/watch?v=CO04Kid08DU
https://www.youtube.com/watch?v=MBLZpIR7LX0
https://www.youtube.com/watch?v=H2UAf8AYBe0
[PENDING] https://www.youtube.com/watch?v=yGWDPB2ZZK0
[PENDING] https://www.youtube.com/watch?v=2Gwxp0pMPw0
[PENDING] https://www.youtube.com/watch?v=uRFvZjdHrAI
https://www.youtube.com/watch?v=dj7q-dz0A8E