Omid Moeini¹, Curtis Puetz¹, D A Degenstein¹, David Walter Tarasick², Adam E Bourassa¹, David A. Plummer³ and Yves J Rochon², (1)University of Saskatchewan, Department of Physics & Engineering Physics, Saskatoon, SK, Canada, (2)Environment and Climate Change Canada, Air Quality Research Division, Toronto, ON, Canada, (3)Environment and Climate Change Canada, Climate Research Branch, Montreal, QC, Canada