Nearly 51,900 received tornado warning notices
Paul Morden, The Sarnia Observer | July 31, 2014 A tornado that touched down near Grand Bend Sunday gave Sarnia-Lambton’s MyCNN public emergency alerting system its first big test, and officials say the marks were good. When Environment Canada issued a tornado warning for the eastern area of Lambton County shortly before 7 p.m. Sunday, automated phone calls, text…