Johnson County Emergency Management & Homeland Security maintains this webpage in an effort to educate the public on when and why the outdoor warning sirens have sounded. This information is only provided as an historic record and should not be relied upon for life-safety information. If the outdoor warning system is heard at anytime other than regularly scheduled test days, seek shelter and tune in to local radio, television, or your NOAA weather radio for instructions and information. For additional information, please see our outdoor warning system page.

DateReasonCommentsSiren Zones
7/11/2010 12:58:03 PM Malfunction Sheriff's dispatch reporting citizen notification of siren activation. Johnson County has not activated the sirens at this time. Sheriff's dispatch to notify Spring Hill PD of citizen reports and request check of system. Zone 3
7/7/2010 9:07:06 AM Monthly Test Johnson County Emergency Management & Homeland Security, in coordination with the National Weather Service, will be conducting the monthly test of the outdoor warning siren system as scheduled today at 11 a.m. The outdoor warning siren system is tested on the first Wednesday of every month at 11 a.m. Zone 1 Zone 2 Zone 3 Zone 4 Zone 5
6/2/2010 8:30:37 AM Monthly Test Johnson County Emergency Management & Homeland Security, in coordination with the National Weather Service, will be conducting the monthly test of the outdoor warning siren system as scheduled today at 11 a.m. ALL
5/5/2010 9:10:29 AM Monthly Test Johnson County Emergency Management & Homeland Security, in coordination with the National Weather Service, will be conducting the monthly test of the outdoor warning siren system as scheduled today at 11 a.m. The outdoor warning siren system is tested on the first Wednesday of every month at 11 a.m.
4/12/2010 8:30:16 PM Malfunction A siren is reported to be malfunctioning and sounding at 69 Hwy and 95th Street. The City of Overland Park is aware of the malfunction and working to resolve the issue.
3/8/2010 10:15:57 AM Monthly Test Due to a small chance for severe weather during the afternoon of Tuesday, March 9th, the tornado drill scheduled for that day has been postponed until Thursday, March 11th, at 1:30PM.
2/3/2010 11:03:15 AM Monthly Test The outdoor warning sirens were tested to day at 11am. This was a routine monthly test performed by the Emergency Communications Center. ALL
1/6/2010 11:15:08 AM Monthly Test The outdoor warning system was successfully tested today at 11:02. This was a routine monthly test Zone 1 Zone 2 Zone 3 Zone 4 Zone 5
11/4/2009 11:15:21 AM Monthly Test Sirens tested as part of month test today at 11 AM. ALL
10/7/2009 8:53:41 AM Monthly Test Johnson County Emergency Management and Homeland Security will perform the monthly outdoor warning system test at 11am today from the County's EOC. Zone 1 Zone 2 Zone 3 Zone 4 Zone 5
9/2/2009 9:14:57 AM Monthly Test Johnson County Emergency Management and Homeland Security will perform the monthly outdoor warning system test at 11am today from the County's Alternate EOC. Zone 1 Zone 2 Zone 3 Zone 4 Zone 5
8/12/2009 10:19:38 AM Monthly Test Johnson County will be performing a short audible test of the outdoor warning siren system today at 11:00 AM. This test is in support of a new public radio system that is being installed by Johnson County. The system will be activated for as short a time as possible while public safety personnel ensure the sirens are activating in all zones. The outdoor warning siren system is routinely tested on the first Wednesday of every month at 11:00 AM. ALL
7/1/2009 11:19:51 AM Monthly Test The monthly outdoor warning system was tested by zone today beginning at approximately 1110. Zone 1 Zone 2 Zone 3 Zone 4 Zone 5
6/3/2009 9:20:21 AM Monthly Test Johnson County Emergency Managament will be conducting the monthly test of the outdoor warning system as scheduled. ALL
5/6/2009 11:00:06 AM Monthly Test Johnson County conducted the monthly test of the outdoor warning system as scheduled today at 11:00am Zone 1 Zone 2 Zone 3 Zone 4 Zone 5
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