Orographic rainfall occurs when rain bearing winds strike against the mountains and result in precipitation on the windward side of the mountains. In India, rainfall is orographic in nature as heavy rains occurs on the windward slopes of the Western Ghats and scanty rainfall on the leeward side.
Where is orographic rainfall in India?
The Western Ghats in India provide favorable conditions for orographic rainfall. The warm and moist air from the Arabian sea is blocked by the Western Ghats and gets lifted over mountain ranges.
What is orographic rainfall?
orographic precipitation, rain, snow, or other precipitation produced when moist air is lifted as it moves over a mountain range. As the air rises and cools, orographic clouds form and serve as the source of the precipitation, most of which falls upwind of the mountain ridge.
Which type of rainfall is found in India?
Most of India’s rainfall is convectional. The convectional rainfall is prevalent in equatorial regions. In these, the warm air rises up and expands then, reaches at a cooler layer and saturates, then condenses mainly in the form of cumulus or cumulonimbus clouds.
What is orographic rainfall class ninth?
Orographic rainfall is also known as relief rainfall occurs when moist air is forced to rise over a mountain range.
What does the term orographic mean?
Definition of orographic
: of or relating to mountains especially : associated with or induced by the presence of mountains orographic rainfall.
What orography means?
Definition of orography
: a branch of physical geography that deals with mountains.
What is orographic rainfall Wikipedia?
Orographic precipitation, also known as relief precipitation, is precipitation generated by a forced upward movement of air upon encountering a physiographic upland (see anabatic wind). … The upward deflection of large scale horizontal flow by the orography.
Is orographic rainfall the same as relief rainfall?
Relief rainfall, also known as orographic rainfall, occurs in areas where land increases in height. … Relief rainfall is formed when the air cools as it rises over relief features in the landscape such as hills or mountains. As the air rises, it cools, condenses and forms rain.
In which region of Maharashtra orographic rainfall occurs?
Sahyadri range or Western ghat receives an Orographic type of rainfall. Orographic rainfall is the result of Saturated air mass that moves upwards due to resistance created by mountains.
What is Convectional orographic and cyclonic rainfall?
1. Convectional rainfall is a type of rainfall that involves the formation of convection currents. The cyclonic rainfall, on the other hand, is caused due to cyclones. … This rainfall occurs when the temperature gets high and the warmer air rises up in the atmosphere.
Does India receives orographic rainfall?
In India, rainfall is orographic in nature as heavy rains occurs on the windward slopes of the Western Ghats and scanty rainfall on the leeward side. … This is also true for the hilly regions in north east India which receive orographic rainfall.
What are the 3 types of rainfall?
There are three different types of rainfall:
- relief.
- convectional.
- frontal.
What is orographic rainfall class 7th?
Orographic rainfall occurs when a mass of air is pushed up because of a structure with very high elevation, such as a mountain. The lifted air cools down and precipitation occurs. Rain shadow area is formed on the other side of the elevation.
What is orographic rainfall BYJU’s?
Orographic rainfall is precipitation produced when the mountains of uplands act as barriers to airflow, forcing the air to rise and the moist air moving upslope coo down by producing clouds and precipitation. … The clouds and precipitation will be concentrated on the windward side of the mountains.
What is torrential rainfall?
If it’s raining extremely hard, then the rain is torrential — it’s absolutely pouring. Use torrential to describe something that’s happening in torrents, or turbulent flowing streams. When there’s a torrential storm, there’s so much rain falling so fast that you’ll be soaked in about three seconds.