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