According to the National Weather Service, the term comes from the Spanish word “derecho” to mean “direct” or “straight ahead" and was first used in 1888.
According to the National Weather Service, the term comes from the Spanish word “derecho” to mean “direct” or “straight ahead" and was first used in 1888.
Multiple tornadoes and thunderstorms that struck the Great Plains and upper Midwest Wednesday were the result of a rare event called a derecho, according to the National Weather Service's Storm Prediction Center. It was the first on record in December in the United States.
The National Weather Service’s Storm Prediction Center says tornadoes and thunderstorms that struck the Great Plains and upper Midwest on Dec. 15 were the result of a rare event called a derecho