Water In The Atmosphere

This section explains the presence, forms, and processes of water in the atmosphere, emphasizing its significance to weather phenomena and climate.

Humidity And Its Measurement

The section discusses the concept of humidity, its types, measurement, and the processes of evaporation and condensation.

Evaporation And Condensation

This section explains the processes of evaporation and condensation, highlighting their significance in the water cycle and weather phenomena.

Dew

This section explores the phenomenon of dew, its formation, and the conditions required for its presence in the atmosphere.

Frost

Frost forms when moisture condenses on cold surfaces at or below freezing temperatures, resulting in the deposition of ice crystals.

Fog And Mist

Fog and mist are forms of condensation that create low-lying clouds, reducing visibility due to moisture in the air.

Clouds

Clouds are formed by the condensation of water vapor in the atmosphere, taking various shapes and types based on their altitude and characteristics.

Cirrus

Cirrus clouds are high-altitude, feathery clouds that play a role in weather patterns and can indicate changes in the atmosphere.

Cumulus

Cumulus clouds are cotton-like formations that indicate stable weather patterns and typically develop at altitudes of 4,000 to 7,000 meters.

Stratus

This section discusses the presence and role of water in the atmosphere, focusing on its forms, humidity, condensation, and the various forms of precipitation.

Nimbus

This section discusses the formation and characteristics of nimbus clouds, their role in weather phenomena, and the processes of evaporation and condensation.

Precipitation

Precipitation is the release of moisture from the atmosphere in various forms, including rain and snow, driven by condensation and gravity.

Types Of Rainfall

Rainfall can be classified into three types based on origin: convectional, orographic, and cyclonic.

Convectional Rain

Convectional rain occurs when warm, moist air rises, cools, condenses, and precipitates, predominantly in equatorial regions and during warm days.

Orographic Rain

Orographic rain occurs when humid air is forced to ascend over mountains, leading to precipitation on the windward side and creating dry conditions in the rain-shadow area.

Cyclonic Rain

Cyclonic rain results from air masses colliding, leading to condensation and precipitation.

World Distribution Of Rainfall

The world experiences varying rainfall distributions influenced by geographic and climatic factors, where coastal regions generally receive more rainfall than inland areas.

Exercises

This section contains exercises designed to reinforce understanding of water in the atmosphere, including questions about evaporation, condensation, humidity, and precipitation.