Types of Clouds

Cloud is a mass of minute water droplets or tiny crystals of ice formed by the condensation of the water vapour in free air at considerable elevations….

Types of Rainfall

On the basis of origin, rainfall may be classified into three main types – the convectional, orographic or relief and the cyclonic or frontal. Convectional Rainfall The,…

World Distribution of Rainfall

Different places on the earth’s surface receive different amounts of rainfall in a year and that too in different seasons. General variation in rainfall In general, as…

Precipitation and its types

Precipitation is any form of water particle, whether liquid or solid, that falls from the atmosphere and reaches the ground. The process of continuous condensation in free…

Tri-cellular model of atmospheric circulation

The actual global pattern of atmospheric circulation is much more complicated than a direct flow between the equator and poles. Instead of one large circulation in each…

What is a Heat Dome?

What is a Heat Dome? A heat dome is an area of high pressure that remains over a region like a lid on a pot, trapping heat….

ATMOSPHERIC PRESSURE

The weight of a column of air contained in a unit area from the mean sea level to the top of the atmosphere is called the atmospheric…

Forces Affecting the Velocity and Direction of Wind

● Air is set in motion due to the differences in atmospheric pressure. ● The air in motion is called wind. ● The wind blows from high…

STRUCTURE OF THE ATMOSPHERE

The atmosphere consists of different layers with varying density and temperature. Density is highest near the surface of the earth and decreases with increasing altitude. The column…

COMPOSITION OF THE ATMOSPHERE

The atmosphere is composed of gases, water vapour and dust particles. The composition of the atmosphere is not static. It changes according to the time and place….

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