With reference to Jet Streams consider the following statements 1 Jet streams are long meandering wa...........

Geography Atmosphere

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With reference to Jet Streams, consider the following statements:

1. Jet streams are long meandering waves moving at the upper atmosphere, strong at

30o to 60o latitude.

2. The jet streams on Earth typically run from west to east.

3. Temperature influences the velocity of the jet stream, they are more active in

winter.

4. Both the Northern and Southern hemispheres have jet streams.

Which of the statements given above is/are correct?

1,2&3

2,3&4

1,2&4

All of the above

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Explanation:

Jet streams are like rivers of wind high above in the atmosphere. These slim strips of strong
winds have a huge influence on climate, as they can push air masses around and affect
weather patterns.
The jet streams on Earth — other planets have jet streams as well, notably Jupiter and
Saturn — typically run from west to east, and their width is relatively narrow compared to
their length. Jet streams are typically active at 20,000 feet (6,100 meters) to 50,000 feet
(9,144 meters), or about 7 miles (11 kilometers) above the surface and travel in what is
known as the troposphere of Earth’s multi-layered atmosphere.
The seasons of the year, location of low and high pressure systems and air temperature all
affect when and where a jet stream travels. Jet streams form a border between hot and cold
air. Because air temperature influences jet streams, they are more active in the winter when
there are wider ranges of temperatures between the competing Arctic and tropic air
masses