Tornadoes are more common in the United States than in any other country or state…averaging 1,375 a year. April, May and June are historically the most active for severe weather and tornadoes, with an average of 660 twisters spinning up within that three-month window. By the end of March, 2023, the U.S. had already been struck with 180 tornadoes. Alabama experienced the most, followed by Georgia, Louisiana & Texas. Mississippi (closely followed by Texas) took the most hits in 2022, according to NOAA. Texas, since 1997, has also averaged 135 per year, mainly in April, May & June.
- Where are the most tornadoes in the U.S?
Most often in the midwest's“tornado alley” (which runs through Oklahoma, Kansas, Missouri, Nebraska, Iowa and South Dakota) and “dixie alley".
- How does global warming increase tornado activity?
Instability occurs when warm, moist air is wedged under drier, cooler air aloft. This warm air rises, causing the intense updrafts and downdrafts seen in strong thunderstorms— the incubators of tornadoes.
- What states have never had a tornado?
Alaska, Rhode Island and Washington
- What are the top 10 worst tornadoes ever to occur in the U.S?
The 25 deadliest tornadoes date back to 1840. NOAA has a list here and a brilliant list of FAQs here.