First installed in the 1950s, they were developed for Cold War air raid warnings, but in the 1970s, the sirens transitioned to outdoor warning alerts.

The center was still in operation while dealing with the burst pipe and water damage. Central Dispatch’s radio vender and IT ...

These wind speeds can break branches from trees, push over shallow-rooted ... appeared on Des Moines Register: Why is the tornado siren going off? What to know about monthly tests in the Des ...

Ionia County's tornado sirens were accidentally activated during clean-up efforts after a pipe burst at the dispatch center.

Lost the roof of our bathrooms, shelter house completely crushed and close to 50 trees down. When the tornado siren blows … take heed to safety instructions. Thankfully no one was hurt." ...

However, the sirens are still used for tornado warnings. Trees came down across the area, from China Grove to Kannapolis to Cleveland, in several spots in Salisbury and in Spencer. Some came down ...

But the tornado sirens in Valley View — where seven people were killed and more than 100 injured — were not working in the small town Saturday night. Categorized as a high EF-2 by the National ...