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The Tornado Seasons
Although tornadoes can happen any time of the year, the most active season is the Spring Season. May is typically the most active month for storm chasing. In Oklahoma we average 20 tornadoes during the month of May.
| Chase Periods and Average Tornadoes by Month | ||||
| Chase Period 1 | March | April | May | June |
|
Oklahoma |
4 | 11 | 20 | 8 |
|
Nation |
128 | 181 | 171 | 188 |
| Chase Period 2 | July | August | September | October |
|
Oklahoma |
2 | 2 | 2 | 2 |
|
Nation |
93 | 92 | 89 | 60 |
| Chase Period 3 | November | December | January | February |
|
Oklahoma |
1 | <1 | <1 | <1 |
|
Nation |
66 | 33 | 34 | 25 |