The low pressure area over northwest and adjoining westcentral Bay of Bengal and Odishanorth Andhra Pradesh coast now lies as a well-marked low pressure area over northwest Bay of Bengal and adjoining coastal areas of Gangetic West Bengal, Odisha, north Coastal Andhra Pradesh and westcentral Bay of Bengal.
Remnants of Typhoon Kalmaegi will work in tandem with this system, which could be the last Monsoon system of this year. This has been bringing heavy showers over Nepal, north Bihar, Sub Himalayan West Bengal and Sikkim, along with the states of Northeast India. The system will track towards Jharkhand, Bihar and then re-curve towards Northeast India. Thereby, rain is likely to continue over East and Northeast India for at least next 48 hours.
Rain deficiency
In spate of this spell of rain, according to the latest weather update by Skymet Meteorology Division in India, rainfall deficiency could come down to 11% in next two days. Further rains will not bring any significant change in the rainfall deficiency.
Rainfall in last 24 hours
In Bihar, Muzaffarpur received 92.8 mm of rain, Patna 92.6 mm, Supaul 86.1 mm and Purnea 22 mm.
In Assam, Barpeta received 93 mm of rain, Dhubri 26 mm, Jorhat 61 mm, Tezpur 29 mm of rain.
As rainfall decreases in East and Northeast India after the 23rd of September, a trough from Rayalaseema to south Kerala will increase rain over South India.
