Records: Sirens Activated Only After Tornado On GroundRecords show that sirens weren't activated to notify some Flint-area residents of a tornado earlier this week until after it already was on the ground.
Siren Testing At Selfridge Unrelated To Mayan ApocalypseSelfridge Air National Guard Base is issuing a notice: Don't panic when you hear sirens Friday.
Selfridge Plans Tests Of Siren System At BaseSelfridge Air National Guard Base is planning a series of tests of its sirens and outdoor announcement system.

More From CBS Detroit

Best Places To See Indie Rock In DetroitIt's called Detroit Rock City for a reason.
Guide: Best Barbecue In Metro DetroitSometimes, nothing hits the spot like good barbecue.
Best Ice Cream Shops In Metro DetroitIt's getting warm outside! Take advantage of it.

Watch & Listen