Tornadoes are most common in temperate climates, particularly those that will produce grasslands.
Tornadoes are most often spawned by a type of storm called a supercell.
Tornadoes most often form in association with cold fronts.
Tornadoes are most often associated with a type of thunderstorm called a supercell.
Tornadoes, especially strong tornadoes, are most often associated with a type of thunderstorm called a supercell.
Tornadoes most often form along a cold front.
Tornadoes originate from severe thunderstorms, most often a type of rotating storm called a supercell.
Tornadoes are most commonly associated with flat or gently rolling terrain, as this type of topography allows the ingredients for tornado formation, such as warm moist air and cold dry air, to mix more easily and efficiently. However, tornadoes can occur in various types of topography if the atmospheric conditions are conducive to their development.
In Tornadoes are most common in the spring and early summer. For the U.S. this period consists of April, May, and June. Tornadoes are a product of severe thunderstorms, most often a type of rotating storm called a supercell.
Tornadoes are most often produced by a kind of thunderstorm called a supercell.
Tornadoes are most likely to occur with a type of thunderstorm called a supercell.
Most tornadoes are supercell tornadoes.
Hail and tornadoes are most often associated with cold fronts, but can occur with dry lines or, lest often, warm fronts.