Write any 3main characterstics of retreating monsoon
Answers
(i) October and November are the months of retreating monsoon.
(ii) During this season low monsoon trough becomes weak and is replaced by high pressure. Thus, monsoon begins to retreat. By the beginning of October it retreats completely from Northern Plains.
(iii) This period is the period of transition from hot rainy season to cold winter season. It is marked by clear sky, moist ground and high temperatures giving birth to October Heat.
(iv) Low pressure trough shifts to Bay of Bengal. They give rise to cyclonic depressions which cause havoc on the eastern coasts-especially the coasts of Orissa, Andhra Pradesh and Tamil Nadu with very strong storms and rains. The super cyclone of 1999 will remain in the memories of millions of people for over, who lost their near and dear ones along with their properties.
1. The retreat of monsoon takes place due to the migration of Sun towards the South and the withdrawal of the South-West monsoon.
2. A transition period is marked by the occurrence of tropical depressions and it causes tremendous loss of life and property.
3. The par of the winter rainfall in Tamil Nadu and Andhra Pradesh is caused by the retreating monsoons.
4. The storms in the Arabian sea though very rarely but occur between 12°N to 17°N in October and November.
5. The withdrawal of monsoon leads to clear cloudless sky, high temperatures and high humidity during the month of October. This, this sultry and oppressive weather is often referred to as ' October Heat ' .
6. The two branches of retreating monsoon are, Arabian sea branch and Bay Of Bengal branch.