Eastern part of India specially sub Himalayan region and northeastern states are likely to receive heavy showers in the next twenty four hours. While northwest Rajasthan and adjacent region are also heading for increased rainfall during next 24 hours.
The Monsoon access trough now extends from northwest Rajasthan to northeastern states and seen as a reason for rains in Rajasthan, east UP, Bihar, sub Himalayan west Bengal, Sikkim, Assam and Arunachal Pradesh. While moderate rain in these areas is likely to continue, there is chance of heavy downpours in areas of Sikkim, sub Himalayan west Bengal, Assam and Arunachal Pradesh.
This trough is likely to shift towards Himalayan foothills and rains in Rajasthan Gujarat north Madhya Pradesh west Uttar Pradesh are predicted to be lessen after 2 to 3 days.
Rain in Delhi is likely to continue. Passing light drizzles are expected in Delhi in the next twenty four hours due to oscillation of this trough.
Troughs are places where winds from opposing directions meet (or winds turn) and atmospheric pressure is low while the turbulence caused by such interaction (or turning) leads to rain, thundershowers and storms.
Along the west coast, the seasonal trough from Gujarat coast to Kerala coast remains intact. Mumbai has received more than 70mm of rain in the last twenty four hours, but rain intensity is expected to decrease in the next 24 hours and moderate rain is predicted over here and areas of western coast as well.
Monsoon activity is likely to continue over peninsular India. Light rains in Maharashtra, north Andhra Pradesh and Orissa are anticipated to go on. Moderate to light rain is likely to continue in Tamil Nadu too.
In rest of India rain is likely to continue because of prevalent monsoon conditions as clouds are being witness all over India now.