Geography, asked by shahidnadaf76, 5 months ago

2. What is a cloud? Write its types.​

Answers

Answered by saachirawani
4

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Clouds are visible accumulations of tiny water droplets or ice crystals in the Earth's atmosphere. Clouds differ greatly in size, shape, and color. They can appear thin and wispy, or bulky and lumpy. ... Clouds form when air becomes saturated, or filled, with water vapor.

Types of Clouds

  1. High Clouds (16,500-45,000 feet)
  2. Cirrus. Cirrus clouds are delicate, feathery clouds that are made mostly of ice crystals.
  3. Mid-level Clouds (6,500-23,000 feet) Altocumulus.
  4. Low Clouds (less than 6,500 feet) Cumulus.
  5. Special Clouds. Contrails.

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Answered by pranaisk07
0

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Clouds are an important part of the earth’s weather and climate. Clouds form when water condenses in the sky. Clouds are visible accumulations of tiny water droplets or ice crystals in the Earth’s atmosphere.

Clouds form from water in the sky. The water may evaporate from the ground or move from other areas. Water vapour may be invisible but it is always in the sky in some amount. Clouds form when an area of air becomes cooler until the water vapour there condenses to liquid form. The water will condense around dust, ice, or sea salt.

According to their altitude, stretch, density, and transparency or opaqueness clouds are classified into four types which are given below.

1. Cirrus

2.Cumulus

3. Stratus

4. Nimbus

Cirrus Clouds

  • Cumulus clouds are generally formed at a height of 4,000 m – 7,000 m.
  • They look like cotton wool.
  • They exist in patches and can be seen dispersed here and there.
  • They have a flat base.

Stratus Clouds

  • Stratus clouds are horizontal.
  • Stratus clouds are stratified or layered clouds covering big portions of the sky.
  • These clouds are usually formed due to the mixing of air masses with various temperatures or due to loss of heat.
  • The presence of stratus clouds means chilly, overcast day.

Nimbus Clouds

  • Nimbus clouds are usually formed at lower altitudes.
  • The colour of Nimbus clouds is usually black or dark grey.
  • Nimbus clouds block the sunlight
  • These types of clouds usually cause heavy rainfall and thunderstorms.

Cumulus Clouds

  • Cumulus clouds are generally formed at a height of 4,000 m – 7,000 m.
  • They look like cotton wool.
  • They exist in patches and can be seen dispersed here and there.
  • They have a flat base.

High clouds - Cirrus

                       Cirrostratus

                       Cirrocumulus

Middle clouds - Altostratus

                           Altocumulus

Low clouds - Stratocumulus

                      Nimbostratus

Clouds with extensive vertical development - Cumulus

                                                                               Cumulonimbus

High-Level Clouds

  • Polar Regions – they form at altitudes of 3000 m (10,000 ft) to 7600 m (25,000 ft).
  • Temperate Regions – they form at altitudes of 5000 m (16,500 ft) to 12,200 m (40,000 ft).
  • Tropical Regions – they form at altitudes of 6,100 m (20,000 ft) to 18,300 m (60,000 ft).

Mid-Level Clouds

  • Non-vertical clouds in the middle level are prefixed by the alto.
  • At any latitude, these clouds are formed as low as 2000 m (6500 ft) above the surface.
  • These clouds can be formed as high as 4,000 m (13,000 ft) near the poles
  • These clouds are formed at an altitude of 7,600 m (25,000 ft) in the tropical region.

Low-level Clouds

  • These clouds are formed near the surface up to 2000 m (6500 ft).
  • These types of clouds have no prefix.

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