City of Flat Rock issued the following announcement on July 30.
New Alert System for the City of Flat Rock!
For the latest City information and alerts, text 48134 to 888-777 and you will receive a confirmation text via the Nixle/Everbridge alert system.
To register online, go to https://local.nixle.com/register/. You can choose how you would like to receive your alerts, whether it be via text, call or email.
You will receive information regarding weather alerts, road closures, snow emergency alerts, water breaks, etc.
Original source can be found here.
Source: City of Flat Rock
Alerts Sign-up