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Business News/ News / India/  Severe heatwave likely in East & South India until Saturday ahead of phase 2 poll
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Severe heatwave likely in East & South India until Saturday ahead of phase 2 poll

Met office warns of a harsh and arid summer over most regions of the country during April-June, with a high probability of heatwaves lasting up to 10-20 days.

West Bengal, Uttar Pradesh, Karnataka, Kerala and Bihar are going to polls in the second phase of Lok Sabha elections on Friday. (REUTERS)Premium
West Bengal, Uttar Pradesh, Karnataka, Kerala and Bihar are going to polls in the second phase of Lok Sabha elections on Friday. (REUTERS)

New Delhi: The intense heat wave scorching large parts of East and South India will likely continue for another five days, the India Meteorological Department (IMD) warned on Tuesday, days ahead of the second phase of polling on Friday in 89 constituencies across 13 states, including six eastern and southern states.

West Bengal, Uttar Pradesh, Karnataka, Kerala and Bihar are going to polls in this phase of Lok Sabha elections.

IMD warned at the beginning of the month of a harsh and arid summer over most regions of the country in April-June, with a high probability of heatwave episodes lasting up to 10-20 days. The IMD along with the nation's disaster management authority and various ministries have readied an action plan to ensure seamless polling for the seven-phase general elections that began on 19 April.

The weather department has issued an orange alert for Odisha, Bihar and Gangetic West Bengal – denoting the possibility of moderate health concerns for infants, elderly and people with chronic diseases. This vulnerable population has been advised to avoid heat exposure and keep hydrated.

 

 

“Heat wave to severe heat wave conditions are likely to prevail in some pockets of Gangetic West Bengal and isolated pockets over Odisha for the next five days, while isolated pockets of interior Karnataka, Rayalaseema, Sub-Himalayan West Bengal and Sikkim may face heat wave until Saturday; Tamil Nadu till Wednesday; Jharkhand, Bihar, Telangana, East Uttar Pradesh during between Wednesday and Saturday and West Uttar Pradesh, Coastal Andhra Pradesh & Yanam from Thursday to Saturday," IMD said.

Searing heat

On Monday, temperatures went as high as 43°C over many parts of northern Tamil Nadu, Andhra Pradesh and Telangana, northern Odisha, Gangetic West Bengal and Rayalaseema.

“Hot and humid weather is expected to prevail over Kerala & Mahe, Tamil Nadu, Puducherry & Karaikal, Coastal Karnataka till Saturday; Konkan & Goa, Assam, Meghalaya and Tripura until Friday, Coastal Andhra Pradesh & Yanam and Rayalaseema for the next two days and Bihar today." High humidity could add to people's inconvenience in coastal Andhra Pradesh, Tamil Nadu, Puducherry, Karnataka, Goa, Kerala, West Bengal and Bihar, it said.

 

"Odisha is likely to see warm night conditions with day maximum temperature exceeding 40°C from Thursday to Saturday," IMD added.

Substantially high night temperatures are likely in eastern Madhya Pradesh on April 22 and April 23. High night temperatures are considered dangerous because the body doesn't get the chance to cool down.

Rising night temperatures are even more common in cities because of the urban heat island effect, in which metro areas are significantly hotter than their surroundings.

The threshold for a heat wave is met when the maximum temperature of a weather station reaches at least 40°C in the plains, 37°C in the coastal areas and 30°C in the hilly regions, and the departure from normal is at least 4.5 notches. A severe heat wave is declared if the departure from normal temperature exceeds 6.4 notches.

Storm and winds

A dust storm or thunderstorm followed by rain and gusty winds with speed of 40-70kmph is likely to occur over and adjoining areas of entire Delhi and NCR, including Sonipat, Rohtak, Kharkhoda, Jhajjar in Haryana, and Bagpat, Meerut, Khekra, Modinagar, Garhmukteshwar, Pilakhua, Hapur, Gulaoti, Sikandrabad, Bulandshahar, Jahangirabad in Uttar Pradesh for the next two hours while light rain or drizzle may be seen over most parts of Haryana, Uttar Pradesh and Rajasthan.

Hailstorm or precipitation is also anticipated in Faridabad, Chhapraula, Dadri, and UP’s Sikandrabad and Bulandshahar. Due to such weather conditions, IMD sees damage in plantation, horticulture, and standing crops. Partial damage to vulnerable structures due to strong winds is expected. Additionally, minor damage to kutcha houses or walls and huts is predicted.

Meanwhile, a fresh western disturbance is likely to affect north-west India from Friday, causing isolated to scattered light-to-moderate rainfall or snowfall accompanied by thunderstorms over Jammu, Kashmir, Ladakh, Gilgit, Baltistan, Muzaffarabad, Himachal Pradesh, and Uttarakhand.

Isolated rainfall accompanied by thunderstorm, lightning and gusty winds (30-40kmph) is likely over Punjab, Haryana, Chandigarh, and Delhi on Friday and Saturday, in East Rajasthan on Friday.

Light rainfall accompanied by thunderstorm, lightning and gusty winds (30-50 kmph) may occur over Madhya Maharashtra and Marathwada until Thursday.

Another cyclonic circulation, which lies over north-east Assam at lower tropospheric levels may cause widespread light to moderate rainfall or snowfall accompanied by thunderstorm, lightning and gusty winds (30-40kmph) in Arunachal Pradesh, and isolated to scattered rainfall over Assam, Meghalaya and Nagaland, Manipur, Mizoram and Tripura until Monday.

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ABOUT THE AUTHOR
Puja Das
Puja Das is a New Delhi based reporter, covering food, farm, fertiliser, water, and climate change policies for Mint. Puja reports on food security, farmers' distress and how the agriculture sector is impacting India's rural economy along with policy initiatives to help meet the pledges made at COP21 in Paris. Puja holds a post-graduation degree in Broadcast Journalism from the Indian Institute of Journalism & New Media, Bangalore.
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Published: 23 Apr 2024, 06:13 PM IST
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