CNN Violent Earth June 4, 2024 01:07:00
A certain set of ingredients. first of all, you have to have moisture available for thunderstorms to develop. you have to have a source of lift or a trigger for those thunderstorms to get going. you have to have unstable air, which is temperatures that get colder with height and that allows the thunderstorm to rise and develop vertically. the most important ingredient is you have to have wind shear, which is changing of wind direction with height and also changing wind speeds with height. there's all sorts of different shapes tornadoes can take. we have a stovepipe, which is kind of like a str...