Remnant of the western disturbance is giving isolated weather activity over mid and higher reaches of northern mountains. Plains of north India have fair weather conditions across the region. Due to fairly widespread weather activity over the last two days, the day temperatures dipped below normal significantly. Pathankot, Amritsar, Jalandhar, Ludhiana, Patiala, Ambala, Karnal and many other stations have plunged 4-6°C below the average. With clear sky conditions, these are expected to rise over the next 2 days and drop again, thereafter.
A fresh western disturbance is arriving on 26th April over the Jammu & Kashmir region. Its induced circulation will precede the main system and lie over Southwest Pakistan and adjoining West Rajasthan on 25th April. The northward extension of the trough from North Madhya Maharashtra will connect with this system to cause rain and thunderstorms on Thursday over Southeast Rajasthan, North Gujrat and Southwest Madhya Pradesh.
The main system arrives on 26th April. The combined influence of these two systems will cause simultaneous weather activity over Punjab, Haryana, Chandigarh, Delhi, East Rajasthan and North Madhya Pradesh on 26th April. There is the likelihood of stormy conditions over wide areas, accompanied by strong gusty winds. A hailstorm is expected over some areas in Punjab and Haryana. Peals of thunder and flash of lightning will accompany the convective storms over a large area.
Maharashtra trough will get detached on 27th April and move across East Madhya Pradesh, Vidarbha and Chhattisgarh. Over the northern parts, the weather activity will get confined to the mountains and foothills of Punjab & Haryana and Chandigarh on 27th April. It will vacate Rajasthan and Delhi areas shrink further in intensity and spread on 28th April. This will be followed by a long break in weather activity over the plains. Mercury level is likely to spike during the last days of April and the start of May. The first bout of 40°C over this part of the country is quite likely during this period.
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