Do You Know | Weather

Weather occurs due to density (temperature and moisture) differences between one place and another. These differences can occur due to the sun angle at any particular spot, which varies by latitude from the tropics. The strong temperature contrast between polar and tropical air gives rise to the jet stream.



Q.  Why are winter nights and summer nights warmer during cloudy weather than when the sky is clear?
A.  Clouds being bad conductors of heat do not permit radiation of heat from land to escape into the sky. As this heat remains in the atmosphere, the cloudy nights are warmer.
Q.  What weather phenomenon is measured by the Beaufort scale?
A.  Wind.

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