What is a monsoon primarily known for in atmospheric terms?

Monsoons are primarily known for being a wind system characterized by significant seasonal changes in wind direction, which are closely associated with heavy rainfall. This phenomenon typically occurs in certain regions of the world, particularly in South and Southeast Asia, where the summer monsoon brings moisture-laden winds from the ocean, resulting in intense rainfall. Conversely, during the winter monsoon, the winds shift to come from the land, significantly reducing precipitation.

The impact of monsoons on agriculture, water supply, and overall climate is profound, as they can lead to flooding and influence crop growth significantly. Understanding monsoons is crucial for meteorology and climate studies because they play a vital role in shaping the weather patterns in regions they affect.