The City of Brookfield is planning a test of its upgraded emergency warning siren system on February 8, 2013, at 12:00 Noon, weather conditions permitting. The upgraded siren system includes the change in radio frequency used to communicate between siren locations as mandated by the Federal Communications Commission, along with a siren near the intersection of Brookfield Road and Capitol Drive that improves the warning coverage area in the northwest side of hte City.