| Middle Clouds (Over 2-7 km above sea level) | ||
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These are white-grey, fairly big, globular clouds taht are closely packed together. Patches of the blue sky can be seen among them. | Fine weather Little or no rain |
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They are grey, featureless sheets of clouds. They can be so think that the sun and the moon are hardly visible. | Small amount of rain or snow |
| Low Clouds (Below 2 km above sea level) | ||
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They are grey, featureless sheets of clouds that can cover the whole sky. | Drizzle which may last for several hours. |
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They are greyish, low-lying, rolling, globular clouds that are close together. They have a wavy top and a horizontal base. Patches of blue sky can be seen among them. | Fair weather, rain may fall occasionally. |
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They are thick, low-lying, layered clouds. | Continuous rain or snow. |
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These cauliflower-shaped clouds have sharp outlines. The flat base is grey but the parts illuminated by the sun are brilliant. | Small cumulus clouds indicates fine weather. Large cumulus clouds bring heavy showers. |
