Rains, snowfall predicted in N Indian parts

KT NEWS SERVICE. Dated: 4/6/2021 11:49:12 PM

NEW DELHI, Apr 5: Parts of North and Northwest India are set to experience a fresh spell of rainfall and snowfall, as two back-to-back western disturbances will influence the weather across the region.
Accordingly, the India Meteorological Department (IMD) has issued multiple alerts across the regions through this week. As per the IMD forecast, the western disturbance that currently persists over North India will be joined by another western disturbance by Tuesday, April 6.
Under the combined influence of both these systems, the northernmost parts of India—the states and territories of Jammu, Kashmir, Ladakh, Gilgit, Baltistan, Muzaffarabad and Himachal Pradesh—will witness scattered to widespread rainfall/snowfall this entire week, from April 5 to 9.
Uttarakhand, too, will experience the same conditions, albeit between Tuesday and Friday, April 6-9. Isolated heavy rains and snowfall will particularly drench Jammu, Kashmir, Ladakh, Gilgit, Baltistan & Muzaffarabad and Himachal Pradesh on Tuesday, and Uttarakhand on Wednesday.
According to The Weather Channel’s met team, 3-day total precipitation of 80 mm to 120 mm is possible over Jammu & Kashmir, Ladakh and Himachal Pradesh from Monday to Wednesday. During the same time frame, 3-day total snowfall of 80 cm to 120 cm will be on the cards over the mountain areas of Jammu & Kashmir, Ladakh and Himachal Pradesh, while 3-day total precipitation of 50 mm to 80 mm is expected over Uttarakhand.
Furthermore, the Western Himalayan region will simultaneously experience isolated thunderstorms, lightning and gusty winds from Monday to Wednesday. Isolated hail storms will affect Jammu, Kashmir, Ladakh, Gilgit, Baltistan and Muzaffarabad on Tuesday; Himachal Pradesh on Monday and Tuesday, and Uttarakhand on Tuesday and Wednesday. As for the adjoining northwestern plains, the states of Punjab, Haryana and West Uttar Pradesh are likely to receive isolated showers from Monday to Wednesday.
Isolated thunderstorms, lightning and gusty winds will also be on the cards across the region on Tuesday and Wednesday. West Rajasthan, in particular, will also be in for dust storms, thunderstorms and gusty winds (speed reaching 30-40 kmph) at isolated places from Monday to Wednesday.
In view of these predictions, the IMD’s regional met centre in New Delhi has issued a yellow watch (‘be aware’ of local weather) over the entire Western Himalayan region on Monday. Come Tuesday, the advisory over Jammu, Kashmir, Ladakh, Gilgit, Baltistan, Muzaffarabad and Himachal Pradesh will be escalated to an orange alert (‘be prepared’ for rough conditions), while a yellow watch will be issued over Uttarakhand, Punjab, Haryana, Chandigarh, Delhi and West Rajasthan.
On Wednesday, Uttarakhand will be the only state on orange alert, while all the other aforementioned states and territories, with the addition of West Uttar Pradesh, will be placed under a yellow watch.
While West Rajasthan experiences dust storms, thunderstorms and gusty winds, other parts of the desert state will reel under hot conditions this week. Heatwave conditions have been forecast in isolated pockets over Southwest Rajasthan on Monday, and over East Rajasthan on Monday and Tuesday.
The maximum daytime temperatures are likely to be above 40°C in some places of North India as well. However, the wet conditions may have a cooling effect over the region after all, as the high-temperature areas are expected to decrease from Thursday onwards. In fact, the maximum temperatures will be slightly below normal over Northern India from Wednesday onwards, The Weather Channel’s met team adds.
The two western disturbances that will create these conditions over North India are nothing but storms that typically originate as low-pressure systems over the Mediterranean Sea, and then get pushed towards India by high-altitude westerly winds. On the way, the disturbances gather moisture from various sources, including Mediterranean, Caspian, and sometimes even the Arabian Sea, and the precipitation is then dumped over North, Northwest, and at times, even Northeast India.
Since the beginning of the pre-monsoon season on March 1, several such western disturbances have affected the weather across North and Northwest India, facilitating spells of rainfall and snowfall over the regions. In spite of their impact, however, the two regions have recorded below-average rainfall this past month.
Between March 1 and April 4, Jammu & Kashmir (103.9 mm), Ladakh (7.2 mm) and Rajasthan (1.9 mm) all recorded ‘deficit’ rains as compared to their respective long-term average figures for this period. On the other hand, Himachal (41.7 mm), Uttarakhand (10.9 mm), Punjab (7.1 mm), Chandigarh (6.2 mm), Haryana (4.4 mm), Delhi (1.2 mm) and Uttar Pradesh (0.5 mm) have all received ‘large deficit’ precipitation compared to their respective average figures.

 

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