Subtropical air masses over eastern Canada: Their links to extreme precipitation

John R Gyakum1, Alice Louise Wood1, Eyad Atallah2 and Shawn Milrad3, (1)McGill University, Atmospheric and Oceanic Sciences, Montreal, QC, Canada, (2)McGill University, Montreal, QC, Canada, (3)Embry-Riddle Aeronautical University, Meteorology Program, Daytona Beach, United States