Weather radios are a simple device that can work wonders to save your life.Outdoor warning sirens aren't designed to reach residents inside their homes, so it's crucial to have a radio calibrated to your location in order to give you a heads up when severe weather hits. NOAA Weather radio frequencies covering central Alabama are: Birmingham – 162.550Bibb County – 001007Blount County – 001009Calhoun County – 001015Cherokee County – 001019Chilton County – 001021Clay County – 001027Coosa County – 001037Cullman Countyy – 001043Cullman - 162.450Etowah County – 001055Fayette County – 001057Greene County – 001063Hale County – 001065Jefferson County – 001073Marion County - 1093 Channel 162.525Jefferson County – 001073Pickens County – 00107Shelby County – 001117St. Clair County – 001115Talladega County - 001121Tuscaloosa County - 001125Tuscaloosa – 162.400Walker County - 001127Winfield – 162.525Winston County - 001133