May 16, 2024 -
After a week of comfortable weather across the plains of Eastern India, Sizzling heat wave likely to make its comeback. Bihar, West Bengal & Jharkhand will see the main spell from this upcoming heat wave. The spread & intensity of the spell will increase as we go towards the weekend to next week. The heat wave will cover almost every parts of the Eastern India except the coastal & adjoining areas & the Himalayan & adjoining foothills.
Absence of any strong weather systems will be the main reason for it, if any system remains active that will be also too feeble to do anything
However presence of southerlies will push the dry heatwave spell deep further, so except Bihar & adjoining NW Jharkhand we expect every other parts to feel a humid & very uncomfortable weather. The accompanied effect of heat & humidity will increase the feel like temperature to 45-55° Celsius, some parts could register up to 60° Celsius near the coastal parts.
The heat first expected to arrive in the interior parts & adjoining western odisha where places like Rourkela, Balangir, Bhawanipatna, Phulbani may cross the 40° Celsius mark first. However the main heat wave spell will come from the Gangetic plains through Bihar. By 17th May the heat wave spell will cover entire Bihar & further will spread the western parts of Gangetic West Bengal & Southern districts of Sub Himalayan West Bengal & adjoining Western Jharkhand in the places like Dumka, Eastern Singhbhum & Damodar valley. By May 20th the spell will further cover up Interior & Northwestern parts of Odisha. Temperature will hover around 42-45°C in some parts of Northwest Jharkhand, Northern Gangetic West Bengal & Southern parts of Sub Himalayan West Bengal & Widespread areas of Bihar. In some places temperature might even cross 45°C, however that chance is less likely. The origin of the spell will be from Northwest India due to a very well known pre monsoon localized winds called Loo & that's why strong surface winds of 45-55 kph could be felt at some places of the Bihar plains & possibly over northern Jharkhand.
Relief When?
Conditions likely to improve from the middle of next week as due to the continuous heat a trough low or heat low will genarate over Choto Nagpur Plateau & the Circulation over Assam valley will also gather pace. This system will start to trigger thunderstorm activities from the foothills of Himalaya first & then the Thundershower cells will start to approach southern parts of Ganges as a east west trough will develop from Jharkhand to Northeast India joining both circulation. Due to this heat wave conditions expected to take its leave first from Northern Bihar, Northwest Jharkhand, Southern parts of Sub Himalayan West Bengal & Northern Gangetic West Bengal. By May 23rd we expect the heat wave conditions will abate from the entire East India & Thundershower activities will take place of the region that brushed by the heat wave spell, giving relief showers.
Stay tuned & follow us for timely & accurate updates always.
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