Winter may very well be colder this season because of the prevailing La Nina situations, India Meteorological Division (IMD) Director Normal Mrutunjay Mohapatra mentioned on Wednesday.
He mentioned there shouldn’t be an impression that local weather change results in rise within the temperature, however quite the opposite, it results in erratic climate.
“As weak La Nina situation is prevailing, we will count on extra chilly this yr. The El Nino and La Nina situations play a dominant function in the event you think about the big scale issue for the incidence of chilly wave situations,” Mohapatra mentioned.
He was addressing a webinar on ‘Chilly Wave Threat Discount’ organised by the Nationwide Catastrophe Administration Authority (NDMA).
“La Nina situations are beneficial for chilly wave situations, whereas El Nino situations are unfavourable for it,” he added.
Mohapatra mentioned Rajasthan, Uttar Pradesh and Bihar are among the many states that principally see deaths as a consequence of chilly waves.
The IMD additionally releases a winter forecast yearly in November which supplies predictions on the severity of the winter season beginning December to February.
La Nina is said to the cooling of the Pacific waters, whereas the El Nino is linked to its heating. Each elements are additionally believed to have an effect on the Indian monsoon.
For example, 2020 witnessed an above regular monsoon with 9 per cent extra rainfall. The winter season final yr had lengthy spells of chilly waves.