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Low Battery Causes Tornado Siren Malfunction

picture of weather warning sirens
June 15, 2021

   Residents near the West Cobb Aquatic Center reported hearing sounds from a tornado siren late Saturday night into Sunday morning.  This happened despite the fact no severe weather was in the area.  Emergency Management requested Cobb EMC turn off power to the siren, but that operation took several hours.
   Cobb EMA has tested the system and found the siren on Macland Road that made noises had a low battery condition. The system silently tests each siren every day, but when the low batteries prevented the test it resulted in "thumping" sounds coming out of the siren. That continued as the system attempted to complete the silent test. EMA is testing the system today.
   Normally these issues are discovered during the monthly test of the sirens. However, those tests were suspended during the pandemic. To run a complete system diagnostic and to prevent a recurrence of this situation, the monthly siren tests will resume in July.
   We apologize for the noise and any disruption to the neighborhoods nearby.

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