Why is a tornado more likely to form in Iowa than Washington??

Question

...explain to conditions.

...compare and contrast

Answer 1

Simply put, the terrain is MUCH different in Washington and Iowa.

Washington has coastal currents of air and mountains to break up any forming patterns of air that would cause a tornado.

Iowa is primarily flat so the atmosphere has a chance to mix currents without anything breaking them up.

Also, the terrain leading INTO Iowa is good for the air currents to mix. You can get a nice steady flow of warm air form the South that mixes with the colder air of the north. The place of collision is right over the midwest plains.

Answer 2

Most storms form in the trough of a jet stream and most of the time the trough is over mid section of US and the ridge is over Washington