In the event of emergencies, the Village uses a warning siren system to quickly alert residents to "take cover." The Village uses one type of signal to warn residents of impending natural disasters, such as tornadoes, severe storms, and other emergency situations.  Warning sirens consist of a continuous siren wail for three minutes.  If the threat continues or worsens the siren may sound again.  Siren tests are conducted on a monthly schedule to ensure the Village's public warning system is operating properly.  Test sirens may be heard on the first Tuesday of every month at approximately 10:00 a.m. and lasts for one minute.

The following are frequently asked questions concerning the Village's emergency siren system:

What is the purpose of a warning siren?

The Village's warning siren system provides notification of extreme weather conditions that have the potential to cause extensive property damage and severe injuries, such as a tornado.  Also, the siren is used in the event a warning is issued from the Department of Homeland Security.  The siren provides warning to people who are away from radio and television transmissions, and attending or participating in outdoor activities.

How often is the warning siren tested?

Siren tests are conducted on a monthly schedule on the first Tuesday of every month at approximately 10:00 a.m.

What sounds do test sirens make?

During normal test conditions warning sirens consist of a continuous siren wail for one minute. 

What action do I take if the siren is activated?

The action to be taken during a siren's activation is "take cover" by seeking a predetermined location in your home (basement or area without many windows).

How do I know when the emergency situation is under control?

Please tune into local television and/or radio situations for updates.  The warning siren will not sound to indicate that the emergency situation has passed.

Who do I contact during a siren activation?

Do not call 9-1-1 when the siren sounds unless you have a true emergency.  To obtain information, please use one of the sources identified below.

What other methods can residents use to be notified of emergencies?

Use battery-powered weather radios.  Tune to local television and radio stations. Initiation of the Village's Smart911 Emergency Notification System, in which residents will receive a phone call, text message, or e-mail alert from the Lake Bluff Police Department regarding the events of an emergency situation.