A weather-setting western disturbance lies over Jammu & Kashmir and the associated trough has spread itself out over Sriganganagar, Multan, Khushab, Sialkot, Manali and Chandigarh across India and Pakistan.

A cyclonic circulation hovers over East Rajasthan, which, in combination with the above, has set up thunderstorms, dust storms and showers over North-West India into this (Monday) morning.

An incoming western disturbance, which is expected to enter North-West India soon after the current system exits, was practically unmoved from yesterday's (Sunday) position over West Iran.

RAIN, THUNDERSHOWERS

Isolated places over Himachal Pradesh, West Rajasthan and Madhya Pradesh recorded rain or thundershowers until yesterday (Sunday) evening, an India Met Department (IMD) update said.

Thunderstorms lashed a few places in Himachal Pradesh and Uttarakhand and isolated places over Jammu & Kashmir, East Uttar Pradesh, Rajasthan and Madhya Pradesh during this period.

Part of East Madhya Pradesh reported a hailstorm, even as a cyclonic circulation over Assam and East Bihar, and a trough originating from the latter to Vidarbha, churned up the weather over East and North-East India.

Rain or thundershowers were recorded at many places over Arunachal Pradesh and the hills of Bengal and Sikkim, while thunderstorms prevailed over Assam, Meghalaya, the North-East, Chhattisgarh and Odisha.

A cyclonic circulation over South interior Karnataka in combination with a trough extending from Rayalaseema to the Comorin presided over weather in South India.

Parts of Kerala, Tamil Nadu and Puducherry recorded rain or thundershowers, while thunderstorm activity was noticed over South interior Karnataka.

A forecast outlook by the IMD for the rest of the day today suggested that the violent weather activity comprising thunderstorms and lightning would continue over parts of North-West and North-East India.

EVEN MORE TO COME

Thunderstorms and lightning accompanied with (i) squalls (60 km/hr) is likely over Nagaland, Manipur, Mizoram and Tripura; (ii) hail and gusty winds (50 km/hr) over Himachal Pradesh; (iii) hail and gusty winds (40 km/hr) over Uttarakhand; (iv) gusty winds (50 km/hr) over Tamil Nadu and Puducherry, and (v) with gusty winds (40 km/hr) over Jammu & Kashmir, Chhattisgarh, the plains of Bengal, Assam, Meghalaya, Odisha, Bihar, Jharkhand, coastal Andhra Pradesh, Rayalaseema, South interior Karnataka and Kerala.

Dust raising winds may prevail over the plains of North-West India during the next two days. Thunderstorms, dust storms and lightning, accompanied with gusty winds (40 km/hr) is also forecast over Punjab, Haryana, Chandigarh, Delhi, West Uttar Pradesh and Rajasthan.

Heavy rainfall is forecast at isolated places over the hills of Bengal and Sikkim, Arunachal Pradesh, Assam, Meghalaya, Tamil Nadu and Puducherry.

Meanwhile, there is no escape from heat wave conditions in Telangana, Chhattisgarh and Vidarbha today. A gradual rise in maximum temperatures is indicated for West India (mainly Gujarat, Saurashtra and Kutch) during the next three to four days.

FORECAST OUTLOOK

No significant change in maximum temperatures is likely over the rest of the country during the same period.

An IMD forecast valid for tomorrow (Tuesday) is as follows:

Thunderstorms and lightning accompanied with (i) hail and gusty winds (50 km/hr) at isolated places likely over Himachal Pradesh; (ii) hail and gusty winds (40 km/hr) at isolated places likely over Uttarakhand; (iii) gusty winds (50 km/hr) at isolated places over Tamil Nadu and Puducherry; and (iv) gusty winds (40 km/hr) at isolated places over Bihar, Jharkhand, plains of Bengal, Odisha, coastal Andhra Pradesh, Nagaland, Mizoram, Manipur and Tripura.

Thunderstorms or dust storms and lightning accompanied with gusty winds (40 km/hr) is likely at isolated places over Punjab, Haryana, Chandigarh, Delhi, West Uttar Pradesh and Rajasthan.

An extended outlook for May 18 to 20 indicates the possibility of scattered to fairly widespread rainfall over North-West and North-East India and the Bay Islands.

Isolated to scattered rainfall is likely over the South Peninsula, East India and the Lakshadweep islands. Dry weather is likely over the rest of the country during this period.

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