This editorial is based on the news “Gearing up for change: On IMD and weather analyses having contemporary relevance” which was published in The Hindu. Recently, the India Meteorological Department (IMD) celebrated its 150th year of establishment.
| Relevancy for Prelims: India Meteorological Department (IMD), Council on Energy, Environment and Water (CEEW), Tropical Cyclones, Southwest Monsoon, and Changing Rainfall Patterns In India’s Sub-Districts.
Relevancy for Mains: India Meteorological Department (IMD)- Significance, Concerns and Way Forward. |
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| Parameter | Findings |
| Monsoon Rainfall Trends Across Tehsils (sub-districts) 1982-2022 | 55% of tehsils saw increased rainfall and 11% of tehsils saw decreased rainfall |
| Tehsils with Decreased Rainfall | 68% saw reduced rainfall in all four monsoon months and 87% showed reduced rainfall in June and July specifically |
| Locations Most Affected by Decreased Rainfall | Indo-Gangetic plains, Northeast India and Himalayan region |
| Contribution of These Regions to Farm Production | Over half of India’s agricultural production |
| Monsoon Rainfall Trends Across Districts | 30% of districts witnessed several deficient rainfall years and 38% witnessed several excessive rainfall years |
| Historically Dry Regions Getting Wetter | Rajasthan, Gujarat, Central Maharashtra and Tamil Nadu |
| Increased Rainfall in October- December Northeast Monsoon | 10% increase over last decade across 80% tehsils in Tamil Nadu, 44% in Telangana, 39% in Andhra Pradesh |
| Share of Rainfall from Various Monsoons | Southwest monsoon – 76% of annual rainfall and Northeast monsoon – 11% of annual rainfall |
| Mains Question: Discuss the meaning of color-coded weather warnings for cyclone prone areas given by India Meteorological department. [150 Words, 10 Marks] |
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| Must Read | |
| NCERT Notes For UPSC | UPSC Daily Current Affairs |
| UPSC Blogs | UPSC Daily Editorials |
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January 20, 2024
