IMD Issues 'Sweater Weather Alert' as Rare Western Disturbance Brings Unseasonal Rain and Chill
An unusual and potent weather system is poised to disrupt normal conditions across large swathes of North India, with the India Meteorological Department (IMD) issuing a 'sweater weather alert' in response to a rare western disturbance. This meteorological event is expected to deliver unseasonal rainfall, thunderstorms, and a significant dip in temperatures, reminiscent of winter conditions, on Thursday and Friday.
Unprecedented Weather Patterns Set to Impact Multiple States
Forecasts indicate that regions including Delhi NCR, Chandigarh, Haryana, Punjab, Rajasthan, and Uttar Pradesh will experience moderate to heavy rainfall accompanied by thundershowers on March 20. The IMD has highlighted that this western disturbance features a long, linear trough extending across thousands of kilometres—an uncommon formation that can intensify cloud development and trigger severe weather events. Meteorologists warn that this unusual structure may lead to strong thunderstorm activity, posing risks such as gusty winds and lightning.
Significant Temperature Drop and Snowfall Predictions
Daytime temperatures are anticipated to plummet dramatically, with maximum temperatures ranging between 18°C and 24°C—conditions more typical of January than late March. This unexpected return of cool weather has prompted authorities to advise residents not to pack away winter clothing just yet. In the higher reaches, heavy snowfall is predicted, adding to the wintry ambiance. The IMD recommends that people stay alert and follow updates for the latest advisories, as sudden changes in weather could impact daily activities and safety.
Short-Lived Spell Highlights Climate Variability
While this weather spell is expected to be short-lived, lasting only a couple of days, it serves as a stark reminder of the variability inherent in transitional weather patterns across northern India. The 'sweater weather alert' underscores the need for preparedness, even as spring approaches. Residents are urged to monitor official forecasts closely and take necessary precautions to navigate this rare meteorological occurrence safely.



