New Delhi, Tuesday, September 18, The signs of withdrawal of monsoon have start emerging in the northwest part of the country. The withdrawal of monsoon is expected to start from September 21 onwards. Rains are reducing over the northwest and adjoining western parts, central India and along the west coast. Showers are expected to continue over the east and northeastern states during the next twenty four hours.
The prevailing south southeasterly winds over the northwest region of the country are being replaced by the north northwesterly winds. Due to changes in the wind pattern, the conditions for the withdrawal of monsoon turning favourable. Rain is likely to reduce over the region during this period with the expectation of thunder storm activities to continue for the next couple of days.
The north northwesterly winds would diminish the presence of moisture and the sky will be open from this period onwards. The temperatures would rise gradually and significantly in the coming days over the region. The morning and the evening would be charming and pleasant with afternoon expected to be hot.
However, the rainfall activities would continue over the east and northeast parts of the country for next twenty four to forty eight hours. East Uttar Pradesh, Bihar, sub-Himalayan West Bengal, Sikkim, Assam, Meghalaya and Arunachal Pradesh. Light to moderate rainfall with heavy at a few places over the northeastern states is expected during the next forty eight hours. The upper air cyclonic circulation over east Uttar Pradesh has moved and now lies over west Uttar Pradesh and adjoining east Rajasthan.
Rajasthan, Madhya Pradesh, Uttar Pradesh and Orissa would get rain as the monsoon trough is affecting these regions. The trough is passing through Ganganagar, Narnaul, Agra, Satna, Ambikapur, Jharsuguda, Paradeep and thence southeastwards to the eastcentral Bay of Bengal.
The western of the monsoon trough is interacting with a passing Western Disturbance over Jammu & Kashmir. The mix-up would bring rain at one or two places over Jammu & Kashmir, Himachal Pradesh, Uttarakhand, Haryana and Delhi during the next twenty four hours.
Another upper air cyclonic circulation is present over Orissa to bring rain over Orissa, coastal and coastal Andhra Pradesh. Light to moderate rainfall activities would continue over these regions during the next twenty four hours.
Along the West coast, rainfall activities have reduced. The offshore seasonal trough has turned weak and now persists from Maharashtra to Karnataka coast. In the Southern Peninsula and central India rain is reducing and temperatures would remain in the rising trend during the next few days.
