India Meteorological Department (IMD) – Overview, Functions, and Significance

Why in the News?

According to the India Meteorological Department (IMD), Delhi recorded its warmest February night in 74 years on February 27, 2025. This unusual temperature rise highlights the growing impact of climate change and global warming on Indian weather patterns.

What is the India Meteorological Department (IMD)?

The India Meteorological Department (IMD) is the premier government agency under the Ministry of Earth Sciences, responsible for weather forecasting, meteorological observations, and seismology in India.

• Headquarters: New Delhi.
• International Role: IMD is one of the six Regional Specialized Meteorological Centres (RSMC) designated by the World Meteorological Organization (WMO). It plays a key role in issuing tropical cyclone warnings for the Northern Indian Ocean.

Historical Background of IMD

• Established: January 15, 1875.
• Reason for Formation: IMD was founded after catastrophic weather events, including:
  • 1864: A severe tropical cyclone.
  • 1866 & 1873: Monsoon failures causing widespread famines.

IMD Organizational Structure & Observation Network

• Leadership: IMD is headed by the Director General of Meteorology.
• Observation Centers: IMD operates hundreds of observation stations across India and Antarctica, including:
  • Radar stations.
  • Surface observatories.
  • High-altitude weather stations.

Key Functions of IMD

1. Satellite Monitoring & Weather Forecasting

IMD utilizes India’s advanced satellite systems, including:

• Kalpana-1
• Megha-Tropiques
• IRS series
• INSAT series

These satellites provide real-time weather data, enabling accurate forecasting.

2. Cyclone Tracking & Warnings

IMD plays a crucial role in tracking, naming, and issuing warnings for tropical cyclones in the Bay of Bengal, Arabian Sea, and the Persian Gulf.

3. Seismic Monitoring

• IMD operates seismological centers to monitor earthquakes and geological activities across India.

4. Role in Indian Agriculture

• IMD’s monsoon forecasts are vital for Indian agriculture, helping farmers and policymakers plan better.

5. Climate Research & New Initiatives

• System of Aerosol Monitoring and Research (SAMAR): Launched in 2016, SAMAR studies:
  • Black carbon impact
  • Aerosol effects on climate
  • Climate change trends

Conclusion

The India Meteorological Department (IMD) plays a critical role in weather forecasting, disaster preparedness, and climate monitoring in India. As climate patterns continue to shift, IMD’s role in predicting and mitigating weather-related risks becomes increasingly significant.