India, Oct. 14 -- With the setting in of easterly and northeasterly winds over southern peninsular India and south and adjoining central Bay of Bengal, the northeast monsoon rainfall activity is likely to commence over south east peninsular region during the same period, IMD has forecast.

The southwest monsoon season officially ends on September 30 but monsoon rains continue to impact parts of the country even after that. For instance, monsoon was active over east India during the end of September and first half of October.

An upper air cyclonic circulation is lying over south Bangladesh and neighborhoods in lower tropospheric levels. An upper air cyclonic circulation is lying over Gangetic West Bengal & Jharkhand in lower and middle tr...