The greatest number of deadly tornadoes in the U.S. struck in 1974. That year there were 79 killer tornadoes in the U.S. which resulted in 366 deaths.
The deadliest year for tornadoes, however, was 1925 with 794 people killed by tornadoes. 695 of these were from one tornado, the deadliest in U.S. history.
So far the year 2004 has had the most confirmed tornadoes in the U.S. at 1,817.
Tornadoes can happen at any time of year but they are most common in sprind and early summer.
That record is held by April 27, 2011 on which 207 tornadoes struck the U.S.
There were no recorded tornadoes in Ohio in 1988.
Tornadoes have happened almost month of every year in the United States. If you are referring to the most recent outbreak of tornadoes it lasted from April 14-16, 2011. If you are asking about another incident, please be more specific.
Tornadoes can strike Georgia at any time of year, but are most common in April.
about 80 tornadoes each year
Tornadoes most often strike in spring and early summer. Overall the most active month is May.
Texas averages 135 tornadoes each year.
1 - 2 a year.
Tornadoes hit Oklahoma every year.
Tornadoes can strike at any time of year but mostly hit some time from April to June.
Violent tornadoes (those rated F4 and F5) most often strike in late spring or early summer. However, they can occur at any time of year.
The year with the most violent tornadoes on record was 1974, with a total of 36 tornadoes rated as violent.
So far the year 2004 has had the most confirmed tornadoes in the U.S. at 1,817.
Tornadoes usually strike in warm climates and they are stronger there. In the U.S. they tend to form mostly in the early spring. We call this the "tornado season." The number of funnels observed each year can vary greatly in any given region.
Texas, averaging about 150 tornadoes per year.