Rock County tests the Outdoor Warning System sirens on a monthly basis from April through October every year. The sirens are tested at 12:05 pm on the first Wednesday of the month unless Rock County is threatened with inclement weather at the time. In the event that there is a chance of inclement weather, siren testing will be postponed until 12:05 pm on the second Wednesday of the month.
The Rock County Outdoor Warning System will activate the monthly siren tests on May 1st, 2013 at 12:05 pm. The test signal will be 1 -2 minutes in duration. Please tune in to your local radio stations or weather radios for all weather related information and instructions when the sirens are sounded.
Test Signal vs. Tornado Warning
- Test signal: Steady tone lasting 1 – 2 minutes
- Tornado Warning: Steady tone lasting 3 – 5 minutes
Citizens are reminded that they should not call the Rock County 911 Communications Center or local radio stations for weather information. If residents find that the siren in their area is not working, they should contact the Rock County Sheriff’s Office – Emergency Management Division at 608-758-8440. For further information on the Outdoor Warning System, please visit http://www.co.rock.wi.us/outdoor-warning-system.