What does it mean if a siren keeps going off? In short, it means that something life-threatening is happening and you should go indoors and get more information. The specific guidelines (tornado, hail ,wind, etc.) for sounding sirens varies by jurisdiction, so check with your local community to find out the specifics if you are interested. 2.
What are the 4 siren signals? Since the 1990s, civil defense sirens have been replaced by electronic sirens and the procedure has been simplified. As of 2013, there are four playable tones: a natural disaster warning, an upcoming air/nuclear strike, an imminent air/nuclear strike, and an “all clear” signal.
What does a long continuous siren mean? you have a life-threatening emergency.
You will hear a long, steady siren sound.
Why are sirens going off in Aurora? The city of Aurora has 18 sirens installed to warn residents of possible tornadoes, extreme severe weather, major emergencies, or the possibility of an attack on the United States that would affect the Aurora region.