Weakening El Nino raises hopes of ‘bountiful monsoon’

PTI

New Delhi, February 11

After delivering a warm 2023, El Nino conditions are set to dissipate by June this year, raising hopes of “bountiful monsoon” rains this season, meteorologists have predicted.

La Nina by June-july

There is a good probability of La Nina developing by June-July. Even if El Nino transitions into ENSO-neutral conditions, the monsoon this year should be better than the last year. — Madhavan Rajeevan, ex-secy, ministry of earth sciences

At least two global climate agencies announced last week that El Nino, the warming of the equatorial Pacific Ocean that impacts weather across the world, has started to weaken and there is a probability of La Nina conditions setting in by August.

Weather scientists in India, tracking the developments closely, have said La Nina conditions setting in by June-August could mean monsoon rains would be better this year than the last year.

However, they also struck a word of caution citing the ‘spring predictability barrier’, considered a forecasting headache as weather models have a harder time making accurate forecasts.

Madhavan Rajeevan, former secretary in the Ministry of Earth Sciences, said there is a good probability of La Nina developing by June-July.

“Even if El Nino transitions into ENSO-neutral conditions, the monsoon this year should be better than the last year,” he said. The southwest monsoon delivers about 70 per cent of India’s annual rainfall, critical for the agriculture sector that accounts for about 14 per cent of the GDP and employs more than half of its 1.4 billion population.

The United States’ National Oceanic and Atmospheric Administration (NOAA) said last week that there was a 79 per cent chance that El Nino will transition to ENSO-neutral by April-June and a 55 per cent chance of La Nina developing in June-August.

The European Union’s Copernicus Climate Change Service (C3S) confirmed that El Nino has started weakening. La Nina is the cyclic counterpart to El Nino.

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