Yes. Tornadoes can happen almost anywhere. The Reading area was affected by an F3 tornado in 1950, an F1 tornado in 1963, and an F2 tornado in 1979.
Yes. A torando can hit anywhere, although Philadelphia is not a more likely city to get hit. The states/cities that get the most tornadoes are in Toranado Alley. (Most of the Midwest states)!
From 2010 to 2011 there were 47 tornadoes in Pennsylvania.
Tornadoes are not particularly common in Pennsylvania. The state averages about 17 per year which is not very much, especially since most of them are weak. The worst tornado event to affect the state was on May 31, 1985 when 21 tornadoes, including the state's only recorded F5, tore through northern Pennsylvania claiming 65 lives.
As of September 26 there have been 10 confirmed tornadoes in Pennsylvania in 2012.
Yes. Tornadoes do occur in Pennsylvania and no town is safe. Norristown had a tornado on May 29, 1995.
There were 11 tornadoes in Pennsylvania in 2005.
Tornadoes can happen in any place that gets thunderstorms.
Tornadoes happen every year.
Yes, of course, there are tornadoes in Pennsylvania. The most-recent severe outbreak occurred in 1985 when a system of tornadoes developed near Albion in northwest Pennsylvania and tracked across the state. Forty-seven confirmed tornadoes were associated with this outbreak, and there were numerous injuries and deaths before the system weakened in north-central and southeastern PA.
Tornadoes happen in Miami for the same reason they happen anywhere else. See the related question for how tornadoes form in general.
Tornadoes happen in Africa because of the mountains they have or because of the weather.
Tornadoes can happen in Ottawa. Canada does get tornadoes, though not as often as the U.S. due to its cooler climate.