Home Departments Fire & EMS Public Education Lightning Detection Lightning Detection Lightning Detection SystemsThe Fire Division has installed lightning prediction and warning systems at Colonial Park East and the Lebanon Sports Complex. These systems are operational and live from 7:00 am - 9:00 pm.Lightning AlertsIn the event that the system detects the possibility of lightning within a 15-mile radius, it will start its process of alerts to warn everyone to take cover: In the event of a Red Alert (predicting imminent lightning strike), claxon-sounding horns will sound once for a period of 15 seconds to announce the threat. When the threat has passed, the horn will three times, for five seconds each time.