| Comments | Thunder Bay ON, May 28, 2012. Heavy rain and subsequent flooding caused the city of Thunder Bay in northwestern Ontario to declare a state of emergency. Nearly 100 mm of rain was recorded at some weather stations in Thunder Bay on May 28. The flooding caused road closures, damages to thousands of homes, and interfered with utility services. Thunder Bay Hydro cut power to 50 customers (approximately 1,500 individuals) as a precaution to prevent electrical fires in severely flooded areas. |