By Emily Chung, CBC News Ottawa, August 5, 2015

It has been a slow year for tornadoes in Canada, Environment Canada reports.
That's despite a spate of recent tornado reports – including a
"monster,"three-hour tornado in Manitoba and another in Ontario that smashed
buildings and uprooted trees — and at least one prediction that we might get
more tornadoes than usual this year, thanks to El Nino. via
Canada's tornado season slower than normal, Environment Canada says -
Technology & Science - CBC News.