http://www.w3.org/ns/prov#value | - Wind shear at the back of large thunderstorm can create horizontally spinning vortices that are pulled into the stormcloud by updrafts to form a mesocyclone, a rotating, upward-flowing columnar air mass; a tornado may form from the base of an intense mesocyclone.Although tornadoes have occurred on every continent except Antarctica, they are most common in the continental United States, where torna
|