The science behind clouds
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  • INTRODUCTION
  • FORMATION
  • CLOUD TYPES
    • LOW CLOUDS >
      • Stratus
      • Stratocumulus
      • Nimbostratus
      • Cumulus
      • Cumulonimbus
    • MIDDLE CLOUDS >
      • Altostratus
      • Altocumulus
    • HIGH CLOUDS >
      • Cirrus
      • Cirrostratus
      • Cirrocumulus
    • UNUSUAL CLOUDS >
      • Mammatus clouds
      • Banner clouds
      • Pileus clouds
      • Lenticular clouds
      • Kelvin–Helmholtz Instability
      • Contrails
  • REFERENCE

Stratus (St)

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What is Strutus?

Stratus clouds are gloomy, gray, featureless sheet of cloud that covers the entire sky. It is common worldwide and is noted for blanketing coastal and mountainous areas for long periods of time. They can produce drizzle or sometimes when is cold enough, can produce light snow.

Appear in the lowest altitude than any other cloud type. Due your low thickness (450 m) this cloud sometimes looks nearly transparent, however, can covers an area of hundreds of square miles across.

This type of clouds, are usually formed by the rising of a large mass of moist air. In some cases,  stratus is formed when a layer of fog is warmed by the Sun, and then rises from the ground.


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