UPSC Notes

India Meteorological Department (IMD)

PYQs

Articles

Momentum

Phase IFoundation

Background

Overview

The India Meteorological Department (IMD) was established in 1875, making it one of the oldest national meteorological services in the world. It functions under the Ministry of Earth Sciences (MoES), Government of India. IMD is the principal government agency responsible for meteorological observations, weather forecasting, and seismology in India, providing crucial services for public safety and various economic sectors.

Understanding the role and functions of IMD is vital for comprehending India's disaster preparedness mechanisms, climate resilience strategies, and the application of scientific knowledge in governance, particularly in sectors like agriculture and water management.

Key facts

Establishment Year

1875

Parent Ministry

Ministry of Earth Sciences (MoES)

Headquarters

Mausam Bhawan, New Delhi

International Affiliation

Permanent Representative of India with the World Meteorological Organization (WMO)

Phase IIStatic core

Facts & tables

Overview

IMD's core function is to provide accurate and timely weather forecasts for various time scales: short-range (up to 3 days), medium-range (4-10 days), and long-range (seasonal forecasts, especially for monsoon). These forecasts are critical for agriculture, aviation, shipping, and general public awareness.

A primary responsibility of IMD is to issue warnings for extreme weather events. This includes tropical cyclones, heavy rainfall, thunderstorms, heatwaves, cold waves, dust storms, and fog. These warnings are crucial for disaster preparedness and mitigation efforts by national and state disaster management authorities.

Key facts

Nodal Agency

Primary agency for weather, climate, and seismological services in India.

Observation Network

Operates a vast network of surface observatories, upper air stations, Doppler Weather Radars, and uses satellite data.

Technological Advancement

Utilizes Numerical Weather Prediction (NWP) models and supercomputing facilities for forecasting.

Disaster Management Role

Crucial for early warnings of cyclones, heatwaves, heavy rainfall, directly aiding disaster risk reduction.

Agromet Services

Provides district-level Agromet Advisory Services to farmers, enhancing agricultural resilience.

Seismology

Monitors seismic activity and provides earthquake information across India.

Parent Ministry

Operates under the Ministry of Earth Sciences.

Infrastructure

Maintains a network of S-Band Doppler Weather Radars, manned observatories, Automatic Weather Stations (AWS), and Automatic Rain Gauges (ARG).

Reference table

IMD's Key Services and Beneficiaries

Service Type	Description	Primary Beneficiaries
Weather Forecasting	Short, medium, and long-range forecasts for various weather parameters.	General public, agriculture, aviation, shipping, tourism
Disaster Warnings	Alerts for cyclones, heavy rain, heatwaves, cold waves, thunderstorms.	Disaster management agencies, public, coastal communities
Agromet Advisory	Weather-based advisories for crop planning, pest management, irrigation.	Farmers, agricultural sector
Aviation Meteorology	Weather information for safe aircraft operations.	Airlines, air traffic control, airports
Seismological Services	Monitoring earthquakes and seismic activity.	Public, disaster management, urban planners
Climate Services	Climate data, monitoring, and research on climate change.	Researchers, policymakers, various economic sectors

Reference table

IMD's Warning Colour Codes

Colour Code	Meaning	Action Required
Green	No warning, no action needed.	No specific action required.
Yellow	Be aware, conditions could worsen.	Keep a watch, stay updated, be prepared for potential disruption.
Orange	Be prepared, severe weather likely.	Take necessary precautions, be ready for significant disruption, follow official advice.
Red	Take action, extremely severe weather.	Immediate action required, evacuate if advised, protect life and property.

Reference table

IMD's Regional Meteorological Centres (RMCs) and their coverage

RMC	States/UTs Covered
RMC New Delhi	Delhi, Chandigarh, Rajasthan, Punjab, Haryana
RMC Jammu	J&K, Ladakh, Himachal Pradesh
RMC Lucknow	Uttar Pradesh, Uttarakhand
RMC Guwahati	Assam and other NE Region
RMC Mumbai	Parts of Maharashtra, Goa, Gujarat
RMC Kolkata	West Bengal, Odisha, Bihar, Jharkhand, A&N Islands
RMC Chennai	TN, AP, Telangana, Karnataka, Kerala, Puducherry, Lakshadweep
RMC Nagpur	MP, Chhattisgarh, Parts of Maharashtra

Reference table

Static syllabus anchors

Type	Reference
Conceptual area	Public Administration
Conceptual area	Disaster Management
Conceptual area	Science & Technology
Conceptual area	Government Agencies

Reference table

Institutions & roles

Body	Role
Ministry of Earth Sciences (MoES)	Administrative control
India Meteorological Department (IMD)	Responsible
Ministry of Earth Sciences	Governs
Indian Institute of Tropical Meteorology (IITM)	Collaborates on experimental forecasts

Phase IIIExam lens

Prelims angle

Overview

For UPSC Prelims, questions related to IMD often focus on its establishment year, parent ministry (MoES), key functions, major initiatives (e.g., Monsoon Mission, Agromet Advisory Services), and the types of warnings it issues (e.g., cyclone warnings, heatwave alerts). Knowledge of its technological infrastructure like Doppler Weather Radars and supercomputers for forecasting is also relevant. Understanding the colour codes for warnings (Green, Yellow, Orange, Red) is a common factual query.

For UPSC Mains, IMD's role is critical in various General Studies papers. In GS-I (Geography), its contribution to understanding monsoon patterns, climate change impacts, and natural hazards is important. In GS-III (Disaster Management, Economy, Environment), IMD is central to disaster risk reduction (DRR) strategies, climate change adaptation, and ensuring food security through agricultural advisories. Its effectiveness, challenges in forecasting, modernization efforts, and inter-agency coordination (e.g., with NDMA, CWC) are key areas for analytical questions on governance, public service delivery, and environmental policy.

Quick revision

Established in 1875, it is the national meteorological service of India.
Functions include weather forecasting, seismology, climate services, and astronomical data.
Crucial for issuing warnings for extreme weather events (heatwaves, cyclones, heavy rainfall).
Operates under the Ministry of Earth Sciences (MoES).
Plays a vital role in disaster risk reduction and climate change adaptation strategies.

Elimination traps

Constitutional vs statutory — IMD is an attached office under MoES, not a constitutional body, but its functions are mandated by the government for public service.

Check if created by Constitution or by Parliament.

Authority vs ministry — Distinguish IMD (an attached office) from its parent Ministry of Earth Sciences.

Ministry sets policy; regulator often has quasi-judicial powers.

High-confidence PYQs

2026Policy measures, Multi-statement analysis

Which among the following is/are the objective(s) of the Rainfed Area Development (RAD) initiative under the National Mission for Sustainable Agriculture (NM...

Social Issues & SchemesOpen question

2025Statement-based questions, Purpose or function of a policy tool

Consider the following pairs: State – Description I. Arunachal Pradesh : The capital is named after a fort, and the State has two National Parks. II. Nagala...

GeographyOpen question

Consider the following statements about the Rashtriya Gokul Mission: I. It is important for the upliftment of rural poor as majority of low producing indige...

Social Issues & SchemesOpen question

2025Multi-statement analysis, Factual recall

Consider the following pairs: State – Description I. Arunachal Pradesh : The capital is named after a fort, and the State has two National Parks. II. Nagala...

GeographyOpen question

Consider the following statements about the Rashtriya Gokul Mission: I. It is important for the upliftment of rural poor as majority of low producing indige...

Social Issues & SchemesOpen question

2024Definition-based questions, Conceptual understanding

Which one of the following is the correct description of "100 Million Farmers"?

Social Issues & SchemesOpen question

2022Multi-statement analysis, Factual recall

With reference to the "Tea Board" in India, consider the following statements: 1. The Tea Board is a statutory body. 2. It is a regulatory body attached to t...

Social Issues & SchemesOpen question

Consider the following statements: 1. The India Sanitation Coalition is a platform to promote sustainable sanitation and is funded by the Government of Ind...

Social Issues & SchemesOpen question

2022Multi-statement analysis, Institutional roles and functions

With reference to the "Tea Board" in India, consider the following statements: 1. The Tea Board is a statutory body. 2. It is a regulatory body attached to t...

Social Issues & SchemesOpen question

Consider the following statements: 1. The India Sanitation Coalition is a platform to promote sustainable sanitation and is funded by the Government of Ind...

Social Issues & SchemesOpen question

2020Statement-based questions, Conceptual understanding

“The crop is subtropical in nature, A hard frost in injurious to it. It requires at least 210 frost-free days and 50 to 100 centimetres of rainfall for its g...

GeographyOpen question

With reference to Ocean Mean Temperature (OMT), which of the following statements is/are correct? 1. OMT is measured up to a depth of 26°C isotherm which is...

GeographyOpen question

2020Factual recall, Conceptual understanding

“The crop is subtropical in nature, A hard frost in injurious to it. It requires at least 210 frost-free days and 50 to 100 centimetres of rainfall for its g...

GeographyOpen question

With reference to Ocean Mean Temperature (OMT), which of the following statements is/are correct? 1. OMT is measured up to a depth of 26°C isotherm which is...

GeographyOpen question

2018Multi-statement analysis, Factual recall

With reference to organic farming in India, consider the following statements: 1. The National Programme for Organic Production' (NPOP) is operated under the...

EconomyOpen question

2017Statement-based questions, Purpose or function of a policy tool

What is/are the advantage/advantages of implementing the ‘National Agriculture Market’ (NAM) scheme? 1. It is a pan-India electronic trading portal for agr...

EconomyOpen question

2016Multi-statement analysis, Institutional roles and functions

Which of the following are the key features of ‘National Ganga River Basin Authority (NGRBA)’? 1. The river basin is the unit of planning and management. 2...

Environment & EcologyOpen question

What is/are the purpose of ‘District Mineral Foundations” in India? 1. Promoting mineral explorative activities in mineral-rich districts 2. Protecting the i...

Social Issues & SchemesOpen question

2016Institutional roles and functions, Multi-statement analysis

Which of the following are the key features of ‘National Ganga River Basin Authority (NGRBA)’? 1. The river basin is the unit of planning and management. 2...

Environment & EcologyOpen question

What is/are the purpose of ‘District Mineral Foundations” in India? 1. Promoting mineral explorative activities in mineral-rich districts 2. Protecting the i...

Social Issues & SchemesOpen question

2014Factual recall, Multi-statement analysis

Programme/ Project Ministry 1. Drought-Prone Area Programme: Ministry of Agriculture 2. Desert Development Programme: Ministry of Environment and Forests 3. ...

EconomyOpen question

2013Multi-statement analysis, Institutional roles and functions

With reference to the National Legal Services Authority, consider the following statements : 1. Its objective is to provide free and competent legal services...

Social Issues & SchemesOpen question

Phase IVLatest

Current affairs

Overview

IMD continuously upgrades its forecasting capabilities and warning systems, particularly in response to the increasing frequency and intensity of extreme weather events like severe heatwaves and tropical cyclones, leveraging advanced technology and international collaboration.

Recent developments at IMD include the expansion of its Doppler Weather Radar network to improve localized forecasting and nowcasting capabilities, especially for severe thunderstorms and heavy rainfall events. This enhances the accuracy and lead time of warnings.

Topic timeline

Public AdministrationDisaster ManagementScience & TechnologyGovernment Agencies

Prelims 2013· Multi-statement analysis, Institutional roles and functions

With reference to the National Legal Services Authority, consider the following statements : 1. Its objective is to provide free and competent legal services...

India Meteorological Department (IMD)

Overview

Key facts

Overview

Key facts

Reference table

Reference table

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Reference table

Overview

Quick revision

Elimination traps

High-confidence PYQs

Overview

Topic timeline

Related topics

Practice writing on this topic

UPSC Prelims PYQs on India Meteorological Department (IMD)

Editorial & Review Process