Final answer:
The statement is true; Tornado Alley is indeed aligned with the movement of strong cold fronts during spring and early summer, contributing to the high frequency of tornado occurrences in that area due to the clash of different warm and cold air masses.
Step-by-step explanation:
The statement that Tornado Alley is aligned with a typical orientation of strong cold fronts as they move across the central U.S. in spring and early summer is true. Tornado Alley, located in the central United States between the Rocky Mountains and the Appalachian Mountains, experiences a high frequency of tornadoes.
This phenomenon is due to the difference in wind speeds between the upper atmosphere's strong cold winds from a jet stream and the lower, warmer winds traveling north from the Gulf of Mexico. The collision of these air masses, particularly during spring and early summer, leads to severe weather events. The wind speed variance creates the necessary conditions for the formation of supercells, which are severe thunderstorms with rotating columns of air. When this rotation becomes vertical, it can spawn powerful tornadoes with winds reaching up to 500 km/h.