A ‘Western Disturbance’, which is seen as a cyclonic circulation over East Afghanistan and adjoining Pakistan, and an Induced Cyclonic Circulation lies over Southwest Rajasthan and neighborhood at lower tropospheric levels. In addition, a trough extends from the cyclonic circulation at lower troposphere levels up to Vidarbha in Southwest Rajasthan and adjoining East Rajasthan and West Madhya Pradesh.
“Under the influence of the above systems, very light to moderate rain/snowfall is very likely over Western Himalayan region till December 28, with isolated light to very likely over Punjab, Haryana, Chandigarh and Delhi, Rajasthan till December 28, and very widely scattered over Uttar Pradesh during December 27 to 29,” said the IMD’s forecast.
There is also a possibility of dust storm, lightning and hailstorm in western Uttar Pradesh on December 28. Apart from this, light to moderate rain is very likely to occur over Madhya Pradesh, Vidarbha region of Maharashtra, Chhattisgarh, Bihar, Jharkhand, Odisha. , and Gangetic West Bengal on 28 and 29 December.
Isolated thunderstorms, lightning and hail are very likely over East Madhya Pradesh, Vidarbha and Chhattisgarh on 28th and 29th December, West Madhya Pradesh and Marathwada on 28th December and Bihar and Jharkhand on 29th December.
The minimum temperature in many parts of North West and adjoining Central India and East India is 2-4 degree Celsius above the normal average. They are close to normal in the rest of central India, the IMD said.
There will be no significant change in minimum temperatures over most parts of Northwest India during the next three days followed by a drop of 2-4 degree Celsius. Also, no significant change in minimum temperatures is likely over Central and East India during the next five days.
Dense fog is very likely to occur at isolated places over Punjab, Haryana and North Rajasthan during the night/morning hours during the next three days.