WebTornado Siren II. This is another tornado siren that was recorded and then moded by SoundBible.com its your typical early warning alert system for tornados sounds like air raid siren. The preview above is just 40 seconds but the zip file is 15 minutes long, and the wav file is 5 minutes (50 MB) .Download the mp3 push play turn up the speakers ... WebSirens sound during earthquakes, chemical spills, large fires, terrorist acts or other emergency events. The City of Oakland uses three different siren sounds. Each sound tells you how to stay safe during the emergency. If you hear a 3-minute steady tone, you should shelter in place.

Hanford Site

WebThere are two tones used during siren activations, but both are a prompt to seek shelter and seek information: A Steady Single Tone is the most common and is used for local … WebAn alert to citizen watch eq0540-57a

Civil defense siren - Wikipedia

WebDecided to brave the 90 degree heat and humidity and film the monthly test of the county weather sirens, since I already did the Whelen located by the fire s... WebJul 29, 2024 · 1 Minute of the Attack Warning Signal (wavering siren tone) This testing procedure is different from that used in an actual emergency when the signals are sounded for 3 to 5 minutes. Reactivation Once it is activated the disaster warning system will not be reactivated for an all clear signal. WebApr 15, 2016 · on siren or similar warning device 3-5 minute wavering tone on siren or similar warning device voice announcement disaster warning1,3 condition if you hear this indicates individual actions attack warning1,2,3 all clear3 local procedures: a disaster/incident affecting the base is imminent or in progress examples: tornadoes, flash … citizen watch eq0595-55l