Thursday, July 7: Having covered Northwest India by the end of June, the monsoon rainfall over the region will now witness a spike, with heavy showers on the horizon for the remainder of this week.
According to the India Meteorological Department (IMD), fairly widespread to widespread rains, thunderstorms and lightning are very likely across the northwestern plains — Delhi, West Uttar Pradesh, Punjab, Haryana, Chandigarh and Rajasthan — from Thursday to Sunday, July 7-10.
Isolated heavy showers (64.5 mm-115.5 mm)have been predicted across Punjab, Haryana and Chandigarh from Thursday to Saturday; over West Rajasthan on Thursday, Friday and Sunday; West Uttar Pradesh on Friday and Saturday; and East Rajasthan on Sunday.
Furthermore, heavy to very heavy rainfall (64.5 mm-204 mm) is expected to drench West Rajasthan on Saturday and East Rajasthan from Thursday to Saturday.
In view of these predictions, Rajasthan has been placed on an orange alert (‘be prepared’ for rough weather) for the next three days, while the rest of Northwest India will remain on a yellow watch (‘be aware’ of local weather situation) during this forecast period.
These conditions will be caused due to the interaction between multiple meteorological factors, such as the monsoon trough being active and south of its normal position, a low-pressure area over south Pakistan, an east-west shear zone running across North Peninsular India and more.
The combination of these weather phenomena will also dump heavy to very heavy precipitation over the Western Himalayan Region for the rest of the week.
In fact, just yesterday, the intense rains that were drenching the northern states of Himachal Pradesh and Uttarakhand spilt over to the neighbouring UT of Chandigarh. This resulted in Chandigarh recording 24-hour precipitation worth 97 mm, effectively making July 6, 2022, the wettest July day the city has experienced in the last five years.
Those intense Wednesday showers have contributed to Chandigarh (242 mm) receiving ‘excess’ rainfall since the beginning of the monsoon period in June. In the same period between June 1 and July 6, Rajasthan (at 109.8 mm) is the only other northwestern state to record precipitation above its long-term seasonal average.
Delhi (88.6 mm), Haryana (78.8 mm) and Punjab (73.3 mm) have all experienced ‘normal’ rains in this time frame, whereas Uttar Pradesh (at 57.9 mm) has suffered a massive 48% ‘deficit’.
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