Each county will activate sirens county-wide or based on the polygon-based tornado warning. The polygon warning system means, that when the National Weather Service issues a tornado warning ...

“So, when the National Weather Service has a tornado warning or a destructive ... sounded based on the national weather service’s warning polygon. Only sirens within the polygon will go ...

Once installed, the sirens will automatically sound when that specific area of the county lies within a tornado warning polygon. The Sharkey County EMA will provide more information pertaining to ...