What are Western disturbances?
This is the period from mid-December to February,
During this period a high pressure region develops in north- western India due to southward movements of sun.The Average Temperature Of This Region Is About 10c, Where As during the same period the temperature in south India remains at around 25c
The wind blows from north-west to east and the N-E trade winds causes rain fall in the region of eastern coastal.
During this period the rainfall received from the Mediterranean western disturbances.
These are the temperate cyclones which are brought to India through Iraq, iran ,Afghanistan and Pakistan by westerly jet streams.as they move towards east they cause little rainfall. In Punjab ,they yield 25 cm rainfall whereas in the western Uttar Pradesh they yield only 4cm of rainfall.
This small amount of winter rainfall is very important in Punjab,Haryana,and western Uttar Pradesh for Rabi corps of wheat ,grams and mustard.
This rainfall is called Mawat in rajasthan.Its also helps the apple plantation in himachal Pradesh.
The part of himachal Pradesh lying above the snowfall from these western disturbances, making the rivers perennial.
Due to western disturbances the north-western part of India.
Sometimes, come under the influence of cold –waves.
The western disturbance yields about 3% of the total annual rainfall.
During this period a high pressure region develops in north- western India due to southward movements of sun.The Average Temperature Of This Region Is About 10c, Where As during the same period the temperature in south India remains at around 25c
The wind blows from north-west to east and the N-E trade winds causes rain fall in the region of eastern coastal.
During this period the rainfall received from the Mediterranean western disturbances.These are the temperate cyclones which are brought to India through Iraq, iran ,Afghanistan and Pakistan by westerly jet streams.as they move towards east they cause little rainfall. In Punjab ,they yield 25 cm rainfall whereas in the western Uttar Pradesh they yield only 4cm of rainfall.
This small amount of winter rainfall is very important in Punjab,Haryana,and western Uttar Pradesh for Rabi corps of wheat ,grams and mustard.
This rainfall is called Mawat in rajasthan.Its also helps the apple plantation in himachal Pradesh.
The part of himachal Pradesh lying above the snowfall from these western disturbances, making the rivers perennial.
Due to western disturbances the north-western part of India.
Sometimes, come under the influence of cold –waves.
The western disturbance yields about 3% of the total annual rainfall.
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