This is difficult to determine as official records for the U.S. only go back to 1950 and even then they were not particularly reliable. Outside the U.S. many countries still do not keep records. That said, based on records of strong tornadoes in the U.S, which are easier to record reliably, indicate that in the approximately 60 years of official records overall activity was elevated in the years 1952-1976 with the peak year being 1974.
Tornadoes are most likely to occur in the late afternoon and earl evening.
While a tornado can occur at any time of day or night, most tornadoes occur in the late afternoon and early evening.
Tornadoes can occur at any time, but in the midwest are most common in the spring and summer..
Tornadoes most often occur in Spring and early summer.
Tornadoes can occur in the U.S. at any time but they are most common in the spring.
Mostly during the spring time in March though June, but they can occur at any time of year.
Tornadoes can occur anytime of the day but are most common in the late afternoon or early evening.
Tornadoes occur most often in the late afternoon.
Tornadoes most often occur in the afternoon and early evening, typically between 3 pm and 9 pm, when atmospheric conditions are most favorable for their formation. However, they can occur at any time of day or night under the right conditions.
Tornadoes occur most of the time between 3 pm. and 9 pm.
Tornadoes are most likely to occur in the spring and early summer months, typically between March and June. This is when weather conditions are most conducive for the formation of tornadoes, such as warm, moist air colliding with cool, dry air.
If you mean time of day, tornadoes occur most often in the late afternoon. If you mean time of year, they usually occur in spring and early summer.