Search results
Results from the WOW.Com Content Network
A tornado is a violently rotating column of air in contact with the surface and a cumuliform cloud base. Tornado formation is caused by the stretching and aggregating/merging of environmental and/or storm-induced vorticity that tightens into an intense vortex. There are various ways this may come about and thus various forms and sub-forms of ...
Here's how tornadoes form, and why it's hard to learn more. At least two dozen tornadoes struck Iowa and devastated Minden in April. Here's how tornadoes form, and why it's hard to learn more. ...
Meteorologists still do not know the exact mechanisms by which most tornadoes form, and occasional tornadoes still strike without a tornado warning being issued. [140] Analysis of observations including both stationary and mobile (surface and aerial) in-situ and remote sensing (passive and active) instruments generates new ideas and refines ...
They are most common in the middle latitudes where conditions are often favorable for convective storm development. The United States has the most tornadoes of any country, as well as the strongest and most violent tornadoes. A large portion of these tornadoes form in an area of the central United States popularly known as Tornado Alley. Canada ...
How do tornadoes form? These vicious columns of air are formed from severe thunderstorms, which swoop close to the ground. The main ingredients to a tornado are warm air and cool air.
How do tornadoes work? Tornadogenesis is a word used to describe the formation process of a funnel. Bruce Thoren, a forecaster at the National Weather Service, said that this process is still not ...
Strong and destructive tornadoes form most frequently in the United States, Bangladesh, and Eastern India, but they can occur almost anywhere under the right conditions. Tornadoes also develop occasionally in southern Canada during the Northern Hemisphere's summer and somewhat regularly at other times of the year across Europe, Asia, and Australia.
Greenfield, where storms were particularly severe, had tornadoes on the ground by 3:30 p.m. Around 4:50 p.m., severe weather had crossed the Des Moines metro and a damaging tornado touched down ...