Simplify the following text for a Grade 9 native English-speaking person.
Original: Kansas City is situated in `` Tornado Alley '' , a broad region where cold air from the Rocky Mountains and Canada collides with warm air from the Gulf of Mexico , leading to the formation of powerful storms .
Simplified: Kansas City is situated near `` Tornado Alley '' , a region where cold air from the Rocky Mountains and Canada meets warm air from the Gulf of Mexico . This situation causes the formation of powerful storms .