Tornadoes can occur and kill any time of day. Most tornadoes though, especially the strong ones that result in the most deaths, occur in the late afternoon or early evening. Tornadoes are more likely to kill after sunset as they are difficult to see.
Yes, Tornadoes kill dozens of people every year. In the U.S. alone tornadoes killed 553 people in 2011 (making it the 2nd deadliest year on record for the U.S.), and 70 in 2012. Elsewhere in the world tornadoes killed about 2 dozen people in the same time period.
Waterspouts rarely kill as they are generally weaker than normal tornadoes and usually dissipate soon after hitting land. When they do kill, they usually killer no more than 1 or 2 people. On the rare occasions that a strong waterspout occurs death tolls may climb higher, though there is not given death toll.
Tornadoes occur most often in the late afternoon.
Hurricanes can produce tornadoes but the tornadoes are usually in the outer reaches of the hurricane.
Tornadoes can happen at any time of year, but they are most common in spring and, to a lesser extent, early summer.
Tornadoes can happen at any time of year but occur most frequently in spring an early summer.
Tornadoes usually form in the late afternoon or early evening.
Tornadoes can strike at any time of day or night but are most common during the late afternoon and early evening.
About 98% of tornadoes don't kill anyone. Of those that do kill, most kill only 1 or 2 people. The highest death toll on record from a tornado is approximately 1300 as a result of a tornado striking impoverished sections of two major cities in Bangladesh.
Tornadoes usually happen in the months; April, May, and June.
Although they can occur at any time of day, tornadoes are most common in the late afternoon and early evening. This is when the lower atmosphere is usually the warmest and thus the atmosphere is usually the most unstable. These conditions are conducive for the formation of strong thunderstorms which, given a few other conditions, can produce tornadoes.
Tornadoes tend to occur during late spring to early summer in the United States.