In summertime, intense thunderstorms can strike Grand Canyon National Park, shown here. What's this storm season called?

In summertime, intense thunderstorms can strike Grand Canyon National Park, shown here. What's this storm season called?

A. Monsoon

B. Derecho

C. Dust devil

Correct Answer: Monsoon

(In the Grand Canyon and other parts of the Colorado Plateau's high desert, monsoon season is the months of July, August, and September. Afternoon thunderstorms can materialize without warning and cause severe flooding. Fortunately, the National Weather Service provides monsoon forecasts and flash flood potential ratings for the area.)