| Comments | Lethbridge AB, July 1, 2008. On Canada Day 2008, Lethbridge was hit by an intense storm that brought heavy rain, which caused flash flooding in parts of the city. It rained 47 mm, the monthly average in just about 90 minutes. The heavy rain reached a peak of about 200 mm for at least one hour. The intense rainstorm flooded the basements of over 300 houses, submerged three underpasses and caused road closures, including the closure of one bridge. |