Illinois residents are all too familiar with the shrill tone of a tornado siren, but they may not be as familiar with all of the situations when those sirens are activated, and how often they are tested.
, some sirens can be activated using “Common Alerting Protocol,” which allows sirens to be activated automatically in the event of a National Weather Service warning.Are There Other Scenarios Where Sirens Can be Activated?
The sirens can also be used in the event of a national emergency, including a military attack or a chemical attack, and those alerts will use a different tone, which can be heard on the Illinois Department of Homeland Security’s website.Officials are quick to remind residents that sirens are only designed to be heard outdoors, and that they should take other precautions to ensure that they have the latest weather information.
NOAA Weather Radios are also available, and essentially function like a “smoke detector” for severe weather, automatically powering on when an alert is issued.
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