Yes, there are tornadoes in Alberta. The most notable of these was the Edmonton tornado of July 31, 1987. This tornado killed 26 people, making it the second deadliest tornado in Canadian history. Officially it was rated a high-end F4 but there is evidence that was possibly an F5, the highest rating a tornado can receive.
Canada averages about 100 tornadoes per year.
Tornadoes can happen in Ottawa. Canada does get tornadoes, though not as often as the U.S. due to its cooler climate.
Not particularly. Canada averages about 100 recorded tornadoes per year, which gives puts it in second or third place among other countries.
Tornadoes happen in Canada for the same reasons they happen in the United States. Warm, moist air from the Gulf of Mexico is pushed northward, meeting up with the cooler, drier air from the northwest. This leads to the formation of strong thunderstorms that, given enough wind shear, may produce tornadoes. This air mass collision usually occurs in Canada's southern areas near the border with the United States.
On average Canada gets 80 to 100 tornadoes each year.
Canada gets about 100 tornadoes per year.
Tornadoes can happen in any place that gets thunderstorms.
Tornadoes can happen in just about any part of the world that gets thunderstorms. Places that see a relatively high incidence of tornadoes include the United States, Canada, Australia, Bangladesh, India, South Africa, and Argentina.
Canada gets about 100 recorded tornadoes each year.
Tornadoes happen in Miami for the same reason they happen anywhere else. See the related question for how tornadoes form in general.
Tornadoes can occur in virtually all portions of the United States and Canada with the possible exception of northern Alaska and the northernmost Canadian territories.
Tornadoes can happen anywhere in the world except cold areas like Antarctica and the north pole. Tornadoes are mostly common in United States.