Physical Sciences and Mathematics Commons^™

Investigation Of The 2013 Alberta Flood From Weather And Climate Perspectives, Bernardo Teufel, G. T. Diro, K. Whan, S. M. Milrad, Et Al.

Publications

During 19–21 June 2013 a heavy precipitation event affected southern Alberta and adjoining regions, leading to severe flood damage in numerous communities and resulting in the costliest natural disaster in Canadian history. This flood was caused by a combination of meteorological and hydrological factors, which are investigated from weather and climate perspectives with the fifth generation Canadian Regional Climate Model. Results show that the contribution of orographic ascent to precipitation was important, exceeding 30% over the foothills of the Rocky Mountains. Another contributing factor was evapotranspiration from the land surface, which is found to have acted as an important moisture …