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27.05.2025 UPSC DAILY CURRENT AFFAIRS ANALYSIS

27.05.25

NEWS:Bharat Forecast System set to give sharper rain alerts

GS Paper 3 – Science & Tech: Weather Prediction Models, Application of Technology in Governance

  • India Meteorological Department (IMD) adopts the Bharat Forecast System (BFS) for sharper, localized rainfall forecasts.
  • Developed by Indian Institute of Tropical Meteorology (IITM), BFS uses a triangular-cubic octahedral grid system for mapping.
  • Improves spatial resolution from 12-km grids (existing model) to 6-km grids, enabling panchayat-level forecasts.
  • Primarily targets short- and medium-range forecasts (3 to 7 days).
  • BFS has been tested since 2002 and supports better prediction of heavy rainfall and localized flood risks.
Bharat Forecast System Overview
PointDetails
NameBharat Forecast System (BFS)
Launched byUnion Earth Sciences Ministry, Government of India
Powered byArka Supercomputer at IITM, Pune
Supercomputer Capacity11.77 Petaflops (Speed), 33 Petabytes (Storage)
ReplacesOlder system based on Pratyush Supercomputer
Forecast Resolution6 km x 6 km (Earlier it was 12 km x 12 km)
Main PurposeTo give better and faster weather predictions
Technology UsedNumerical Weather Prediction (NWP), Artificial Intelligence (AI), Machine Learning (ML)
Radar Integration40 Doppler Weather Radars (Plan to increase to 100)
Nowcast FeatureGives very short-term 2-hour weather forecast
Coverage AreaTropical regions (30°S to 30°N), including all of India
Open AccessData available to researchers globally for free
Partner OrganizationsISRO (INSAT, IRS), UK Met Office, other international bodies
Helps InDisaster warnings, agriculture planning, water management, public safety

NEWS:9 containers from sunken ship wash ashore, contamination threat looms

GS Paper 3 – Disaster Management: Oil Spill, Hazardous Waste, Maritime Accidents

  • At least 9 containers from the sunken Liberian-flagged cargo vessel MSC Elsa 3 have washed ashore in Kollam and Alappuzha districts of Kerala.
  • The vessel was carrying 643 containers, 13 of which contained calcium carbide, a hazardous chemical that reacts with water to release acetylene gas and calcium hydroxide—both flammable.
  • The state government declared a Tier 2 maritime accident, launching high-level environmental and public safety responses.
  • Coast Guard aircraft and ships (Vikram, Saksham, Samarth) deployed to monitor and contain potential oil spills and retrieve containers.
  • Public warned to stay 200 metres away from beached containers and report sightings via emergency number 112.

Detailed Insights:

  • Environmental Risk:
    • Potential oil spill and chemical leak pose risks to marine biodiversity, coastal ecosystems, and local fisheries.
    • Use of dispersants by Indian Coast Guard aircraft aims to accelerate oil biodegradation.
  • Chemical Hazard – Calcium Carbide:
    • Reacts with water, releasing acetylene gas, used industrially but highly explosive when uncontrolled.
    • Poses immediate threat if containers rupture onshore or during handling.
  • Disaster Management Measures:
    • Chief Minister Pinarayi Vijayan chaired emergency response meetings.
    • Coordinated response by Kerala State Disaster Management Authority (KSDMA), Indian National Centre for Ocean Information, and National Oil Spill Disaster Contingency Plan.
    • The government has banned fishing within 20 nautical miles of the site to avoid exposure.
  • Legal and Recovery Action:
    • Under the Merchant Shipping Act, 1958, MSC owners warned of pollution liability.
    • Appointed firm T&T Salvage is tasked with container recovery, oil removal, and environmental clean-up.

NEWS:Synchronised elephant count exercise concludes in south Karnataka region

GS Paper 3 – Environment: Conservation, Wildlife Protection, Biodiversity Monitoring

  • Three-day elephant census concluded in South Karnataka on May 26.
  • Conducted under the Interstate Coordination Committee (ICC) charter.
  • Methodologies included block sampling, line transects, and waterhole counts.
  • Covered major protected areas like Bandipur, Nagarahole, Bhadra, BRT, Cauvery, MM Hills, and others.
  • Data to help address rising human-elephant conflict, especially in border regions with Kerala and Tamil Nadu.

Block sampling,

  • a form of systematic sampling, involves selecting a contiguous block of items within a larger population

The waterhole count method

  • it is a wildlife census technique used to estimate population sizes of certain animals by observing and counting them at water sources.
  • It’s particularly effective during dry seasons when animals rely more heavily on waterholes

Transect Method:

  • Walking fixed paths to count sightings and signs of elephants.
  • Coverage in Karnataka:
  • Census covered tiger reserves, wildlife divisions, and forest blocks across 15 major locations including Bandipur, Nagarahole, and Shivamogga.
    • Enables comparison with past data to observe population dynamics and migratory behaviour.
  • Purpose & Importance:
  • Helps resolve human-elephant conflict, especially where urbanisation overlaps elephant corridors.
    • Contributes to policy planning in landscape-level wildlife management.
    • The sex ratio, distribution trends, and movement maps are vital for conservation policies.

NEWS:Frontier of progress: India must recognise the northeast’s diversity to tap its potential

GS Paper 3 – Infrastructure: Investment, Connectivity, Energy

  • PM Modi at the Rising North East Investors Summit 2025 emphasized the region’s cultural and natural diversity.
  • Northeast faces intra-state ethnic conflicts like the Kuki-Meitei violence in Manipur, and inter-state border disputes.
  • Major infrastructure projects: Sela Tunnel, Bhupen Hazarika Bridge, Northeast Gas Grid, highways, rail, airports.
  • Peace-building efforts include the NSCN Framework Agreement (2015), Bodo Peace Accord (2020), and Bru refugee resettlement.
  • Rising tourism and investment: e.g., Tata Group’s ₹27,000 crore semiconductor plant in Assam.

Significance of the North-East Region for India 

  • Strategic Geopolitical Location: The Northeast is envisioned as a key economic corridor connecting India with Southeast Asia.
  • Rich Biodiversity and Natural Resources: The Northeast is one of the world’s biodiversity hotspots, home to numerous rare and endemic species of flora and fauna.
    • Its diverse ecosystems, ranging from tropical rainforests to alpine meadows, play a crucial role in maintaining ecological balance and combating climate change.
    • The region also possesses significant reserves of oil, natural gas and coal, making it a valuable source of natural resources for India’s growing economy.
  • Cultural Diversity and Ethnic Mosaic: With over 220 ethnic groups and an equal number of dialects, the Northeast represents India’s cultural diversity in microcosm.
    • This richness of cultures, traditions, and languages contributes significantly to India’s pluralistic identity and soft power on the global stage.
    • The region’s unique cultural heritage, including its music, dance, handicrafts, and culinary traditions, offers immense potential for cultural tourism.
  • Agricultural and Horticultural Potential: The Northeast’s diverse agro-climatic conditions make it suitable for cultivating a wide range of crops, including many high-value and exotic varieties.
    • The region has significant potential in organic farming, floriculture, and cultivation of medicinal plants, which align with growing global demand for organic and natural products.

Mains Mock Question:
Discuss the environmental and public safety challenges posed by maritime chemical spills. How should disaster management authorities respond to incidents like the MSC Elsa 3 cargo spill off Kerala’s coast?

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