Notice:
I may not make future episodes for the collections of warning sirens due to the needed permissions and also copyrights - sorry.
Time shortcuts for each siren are available below in the video info & in the comments section
This is a collection of an original recorded clips owned by it's original respective owners ( i do not own any of these clips ) for some of the most famous - common & rare warning sirens :)

Special thanks to :

CST / Czech Siren Tech
(   / @czechsirentech  )

TrainsAndSirens1
(   / trainsandsirens1  )

kdksiren
(   / kdksiren  )

The Chach
(   / @thechachliny  )

SuperSirex127
(   / @supersirex127  )

ShowMeSirens130
(   / @showmesirens130  )

ACAPenetrator50
(   / acapenetrator50  )

fmartinjr
(   / fmartinjr  )

For giving me the permission for adding these clips ^^
Please subscribe the original respective owners for their respective work :)
And finally - this video can help to educate who is interested in - outdoor Warning Sirens :)
Please Enjoy ^^

Time Shortcuts :
01- Zkouška sirén - Porovnání sirén Tesla UEAJ (0:13)
02- Federal SD 10 - Wail (2:38)
03- Federal Signal MOD 5020 - High-Low (3:29)
04- Federal Signal Thunderbolt 1000T - Alert (4:16)
05- Federal Signal Thunderbolt 1000 - Alert (5:32)
06- Federal Signal Thunderbolt 1000 - Alert (6:18)
07- Federal Signal Thunderbolt 1000T 4/5 - Alert (7:05)
08- Federal Signal Thunderbolt 1003 - High-Low (8:25)
09- Federal Signal Thunderbolt 1003 4/5 - Alternate Wail (8:51)
10- Federal Signal 3T22 - Wail (10:02)
11- FS 2001-SRNSRNB-AC - Fast Wail (11:26)
12- Federal Signal Modulator 5020 - Wail (12:55)
13- Federal Signal Model 5 - Alert (13:58)
14- H.O.R Super Sirex - Alert (15:13)
15- H.O.R Super Sirex - Alert (16:09)
16- Loudoun ES-4000 - Alert (17:05)
17- ACA Allertor 125 - Alert (17:49)
18- Sentry 3V8 - Alert (19:17)
19- Sentry 3V8-H - Alert (20:32)
20- Sentry 15V1T - Alert (21:00)
21- Federal Signal Thunderbeam RSH-10 - Alert & Wail (21:37 - 22:22)
22- W. S. Darley Champion Model 5 - Alert (23:45)
23- W. S. Darley Champion - Alert (24:23)
24- DS 977 - Alert (25:03)
25- Zkouška sirén - Alert (26:26)
26- 8/16 Port Sterling M-10 - Alert (28:49)
27- ACA P-15 Single Toned - Alert (29:26)
28- ACA/ASC Cyclone - Alert (30:28)
29- ASC T-121 - Alert (31:25)
30- ASC T-128 - Alert (32:22)
31- ATI HPSS-16R - Yeow (33:33)