Emergency Sirens

Mike Bromberg

Deputy Director Olmsted County HSEM

(507) 287-7813



Emergency Testing from April 1 to September 1:

Every Wednesday the sirens will sound at 10:00 am for 3 minutes



Wednesday Olmsted County EOC outdoor warning siren testing procedure:  

1 minute & 30 second test on the first Wednesday of the month

The remaining Wednesdays of each month have 15 second tests



Criteria for sirens sounding during storms:

Winds of 70 mph or more

Tornado warning by NWS

Spotted funnel cloud by trained spotter

Radar detected funnel cloud

1.5 inch diameter hail