A rain shadow is a patch of land that has been forced to become a desert because mountain ranges blocked all plant-growing, rainy weather . On one side of the mountain, wet weather systems drop rain and snow. ... Cool air forms clouds, which drop rain and snow, as it rises up a mountain.
What is rain shadow area give an example?
A rain shadow area is an area of dry land that lies on the leeward side of a mountain . ... The leeward side of the mountains remains dry. The western ghats in India are an example of mountains causing rain shadow area.
What is rain shadow area Class 9?
A rain shadow area is an area of dry land that lies on the leeward(or downwind) side of a mountain . High mountains act as barriers for cold or hot winds; they may also cause precipitation if they are high enough and lie in the path of rain-bearing winds. The leeward side of the mountains remains dry.
What is meant by rain shadow area give two examples of rain shadow area in India?
(i) The leeward side of the hill is called ‘Rain Shadow’ area which remains dry because the winds are blocked by the hills. (ii) An example of ‘Rain Shadow’ area in India is: For Arabian Sea branch Chennai lies at leeward side of western ghats and falls under Rain Shadow area .
Where is rain shadow located?
A rain shadow is a dry area on the side of a mountain opposite to the wind . We call this dry side of the mountain the leeward side. If wind is approaching from the west, the rain shadow is on the east. If the wind is approaching from the east, the rain shadow is on the west.
Which is the rain shadow area in India?
The eastern side of the Sahyadri ranges on the Deccan Plateau including: Northern Karnataka and Solapur, Beed, Osmanabad, the Vidharba Plateau and the eastern side of Kerala and western Tamil Nadu in India. Gilgit and Chitral, Pakistan , are rainshadow areas.
Is also called the rain shadow area?
Frontal rainfall. Hint: Rain shadow area is also called the leeward side of a mountain . It is the type of rainfall most common in mountainous areas. It is caused due to the physical structure of the area.
Why a rain shadow area is generally dry?
The leeward side of the hill is called ‘Rain Shadow’ area which remains dry because the winds are blocked by the hills .
What process is responsible for a rain shadow?
Rain shadows are created when prevailing winds carrying moisture rise quickly in elevation up a mountainside , where the air cools and condenses to precipitate out its moisture in the form of rain or snow.
Is Pune a rain shadow area?
PUNE: Despite being a rain shadow region , Pune is the only district in Maharashtra where yearly rainfall has increased significantly since 1961 though close to 85 districts in the country, including in Delhi, Haryana, Uttar Pradesh and Madhya Pradesh, among others, have witnessed decreasing annual rainfall during the ...
What is rain shadow area give one example of it in India?
An example of ‘Rain Shadow’ area in India is: For Arabian Sea branch Chennai lies at leeward side of western ghats and falls under Rain Shadow area.
Which is the rain shadow area in Brazil?
Sertao is the rain shadow region in Brazil and it is located in north eastern Brazil. The rain shadow region in Brazil is called as Sertao and it is located in the north-eastern part of the country.
How is Shillong a rain shadow region?
Hence because of the high hills it receives heavy rainfall. Shillong is located on the upper (leeward) side of the Garo-Khasi-Jaintia hills, which is a rain shadow area and hence receive less than 200cms of rainfall in a year .
What 3 things do you need to get a rain shadow effect?
a large volume of air that is mostly consistent, horizontally, in temperature and humidity . all weather conditions for a given location over a period of time. area of land that receives no more than 25 centimeters (10 inches) of precipitation a year. height above or below sea level.
Why is the rain shadow effect important?
Rain shadows affect the patterns of much needed rain and moisture in mountains , that in turn replenish and encourage growth to new forests and old growth forests situated in its biome. This occurs as warm moist air is lifted upwards the sides of a mountain by prevailing winds that bring rain to mountains.
What is the opposite of a rain shadow?
A rain shadow region is the leeward side which is opposite to the windward side .
