IMD Warns of Harsh Winter as La Nina Set to Emerge
The India Meteorological Department (IMD) has issued a warning about an impending harsh winter across the country, attributed to the emergence of the La Nina phenomenon in September 2024. The monsoon withdrawal has already been delayed, signaling significant atmospheric changes that could lead to an exceptionally cold winter season.
La Nina’s Effects on Winter Climate
La Nina, often referred to as the “cooling phase” of the El Niño-Southern Oscillation (ENSO) cycle, triggers widespread changes in global weather patterns. This phenomenon involves strong easterly winds pushing warm ocean waters toward the western Pacific, resulting in cooler sea surface temperatures in the central and eastern Pacific Ocean. La Nina typically brings colder weather and increased precipitation in various regions, contrasting sharply with its counterpart, El Niño, which causes warmer temperatures and drier conditions.
The IMD noted that the delayed monsoon withdrawal, usually expected by early September, further intensifies concerns about the approaching winter. The lingering monsoon has altered atmospheric moisture levels, paving the way for more severe cold waves and below-normal temperatures across northern India.
Expected Impact on Agriculture and Economy
La Nina’s emergence can have far-reaching implications, particularly in agriculture. A delayed monsoon withdrawal and harsher winter conditions could impact rabi crop yields, especially for wheat, pulses, and mustard. Lower temperatures can disrupt the growth phase of these crops, potentially leading to supply shortages and higher prices.
Economically, the prolonged cold could also influence energy demands, as households and industries require more heating, increasing electricity and fuel consumption. This could put additional pressure on India’s energy supply and cause spikes in utility costs.
IMD’s Recommendations and Public Advisory
Given the expected severity of the winter, the IMD has advised state governments and agricultural bodies to prepare for possible cold waves and frost events. Farmers are encouraged to take protective measures for rabi crops, and citizens are advised to plan for higher heating needs and take precautions to avoid cold-related illnesses.
As La Nina continues to influence the climate, experts are closely monitoring the situation for any further developments. The IMD will issue regular updates as the winter season progresses to keep citizens and authorities informed.
