Phenomenon brought about by seasonal wind shifts

MONSOON

This weather event often brings heavy rains to South and Southeast Asia, crucial for agriculture but sometimes causing floods. It’s named after the Arabic word for "season."

This clue points to "monsoon," which refers to the heavy rains and winds caused by seasonal shifts in wind direction—typically associated with South and Southeast Asia. The term itself comes from the Arabic word mausim, meaning "season," highlighting the predictable, cyclical nature of these weather patterns. There’s no wordplay here; it’s a straightforward definition linking wind changes to the well-known climatic event.