Concept notes: Central Maharashtra receives little rainfall because it lies in the rain shadow region of the Western Ghats. The Western Ghats, a mountain range, blocks moisture-laden winds, causing them to release most of their precipitation on the windward side, leaving the leeward side, including Central Maharashtra, relatively dry.
Explanation: Central Maharashtra receives little rainfall due to its location in the rain shadow region of the Western Ghats. The Western Ghats, a mountain range running parallel to the western coast of India, plays a crucial role in determining the rainfall patterns of the region.
The rain shadow effect occurs when a mountain range blocks moisture-laden winds, causing them to release most of their precipitation on the windward side. The windward side is the side facing the prevailing winds, which in this case are the southwest monsoon winds that bring moisture from the Arabian Sea. As these winds encounter the Western Ghats, they are forced to rise, cool, and condense, leading to heavy rainfall on the western slopes of the mountains.
The leeward side, which is the side away from the prevailing winds, receives much less rainfall because the winds, having already lost much of their moisture, are drier when they reach this side. Central Maharashtra lies on the leeward side of the Western Ghats, which is why it receives significantly less rainfall compared to the western coastal regions.
It is important to understand that the rain shadow effect is a significant factor in determining the climate and rainfall patterns of regions around the world. In the context of Maharashtra, the Western Ghats not only influence the rainfall but also the overall climate and vegetation of the region. The rain shadow effect explains why the western coastal regions of Maharashtra, such as Konkan, receive abundant rainfall, while Central Maharashtra, located in the rain shadow, remains relatively dry.
This concept is crucial for understanding the geographical and climatic diversity within Maharashtra and how the Western Ghats play a pivotal role in shaping the region's environment.