name three types of raiinfall. and plz give it's defenation too in short
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Convectional rainfall:
It is typical of warm moist air by heating from the ground surface. As a result of heating of the surface air, the air expands and forced to rise to great height. As the air rises, it cools and becomes saturated and dew point temperature(the temperature at which water vapour in the air condense(gas-liquid)) is attained and then clouds will form. By further cooling, precipitation takes place.
Cyclonic/Frontal rainfall:
This type of precipitation associated with a cyclonic activity and occurs along the frontal zone (front is a narrow zone of transition, dividing two air masses of differing temperature and humidity characteristics, intersecting the earth's surface. Fronts are most clearly developed in areas where are masses converge) of convergence particularly at the ITCZ (inter tropical convergent zone) and at the polar fronts.
Orographic/Relief rainfall:
It occurs when large mass of air is forced to rise across landform barriers, such as high mountain ranges, plateau, escarpment, or over high hills. The leeward side of such mountain barrier where the air is ascending and warming are characteristically drier are called rain shadow region. It's most common on the windward slopes of the mountain where the on-shore moisture laden-winds come from sea.
It is typical of warm moist air by heating from the ground surface. As a result of heating of the surface air, the air expands and forced to rise to great height. As the air rises, it cools and becomes saturated and dew point temperature(the temperature at which water vapour in the air condense(gas-liquid)) is attained and then clouds will form. By further cooling, precipitation takes place.
Cyclonic/Frontal rainfall:
This type of precipitation associated with a cyclonic activity and occurs along the frontal zone (front is a narrow zone of transition, dividing two air masses of differing temperature and humidity characteristics, intersecting the earth's surface. Fronts are most clearly developed in areas where are masses converge) of convergence particularly at the ITCZ (inter tropical convergent zone) and at the polar fronts.
Orographic/Relief rainfall:
It occurs when large mass of air is forced to rise across landform barriers, such as high mountain ranges, plateau, escarpment, or over high hills. The leeward side of such mountain barrier where the air is ascending and warming are characteristically drier are called rain shadow region. It's most common on the windward slopes of the mountain where the on-shore moisture laden-winds come from sea.
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