Deficient Winter Rains Trigger Early Summer in India

Deficient Winter Rains Latest News

• Several areas of north and west India skilled an unusually early rise in temperatures because the cool situations of February shortly gave method to abnormally heat climate. 
• Temperatures had been 8–13°C above regular, reaching ranges that qualify as heat-wave situations. 
• Although an analogous sample occurred three years in the past, such early onset of intense warmth is unusual.

Western Disturbances: Key Winter Weather System

• A Western Disturbance is an eastward-moving climate system that originates over the Mediterranean Sea and surrounding areas. 
• It is carried by westerly winds and travels lengthy distances earlier than reaching the Indian subcontinent.
• As the system strikes in direction of northwest India by way of Pakistan, it gathers moisture. 
• When this moist air collides with the Himalayan mountains, it rises and cools, leading to cloud formation, rainfall, and snowfall.

Importance for India’s Winter Climate

• Western Disturbances are most energetic between December and February.
•  It serves as the first supply of winter rain and snowfall for northern states akin to Jammu and Kashmir, Himachal Pradesh, Uttarakhand, Punjab, and Haryana.
• Recent shifts within the sample of Western Disturbances have led to decreased snowfall and rainfall in Himalayan areas, contributing to uncommon climate patterns in India.

Unusually Warm March Across India

• The India Meteorological Department (IMD) had predicted above-normal day temperatures in western Himalayan areas, central India, and peninsular India for March, together with extra heatwave days in Gujarat and Andhra Pradesh. 
• These forecasts materialised inside the first week of March, with a number of areas experiencing unusually excessive temperatures.
• For occasion, Himachal Pradesh recorded temperatures above 25°C, which is uncommon for March since summer season in Shimla often peaks in May–June and heatwaves are unusual. 
• Similar situations had been noticed in Jammu & Kashmir and Ladakh.
• According to the IMD, temperatures are anticipated to stay excessive for a number of days however could decline with the arrival of a Western Disturbance, a winter climate system originating close to Iran that brings moisture from the Mediterranean area.

Dry Winter Behind Early Heat

• The unusually heat situations are partly resulting from a dry winter season. 
• February was the third driest since 1901, with all-India rainfall in January–February solely 16 mm, about 60% under regular. Both rainfall and snowfall remained considerably low.
• This occurred due to fewer Western Disturbances since November 2025, which usually convey winter precipitation. 
• Additionally, the absence of wind convergence between westerly and easterly winds, which often carries moisture to central and northern India, decreased rainfall additional.
• Dry winters usually result in an early onset of summer season warmth, as the shortage of soil moisture permits land to warmth up extra shortly, leading to increased temperatures.

Rising Temperatures Threaten Rabi Crops

• The sudden enhance in temperatures is more likely to have an effect on standing rabi crops akin to mustard, wheat, gram, groundnut, sesame, sorghum, and safflower, together with greens like potato and fruits akin to apples.
• Farmers have been suggested to extend irrigation to keep up soil moisture, however this might place extra strain on already careworn native water sources.

Source: IE | IT