UPSC Prelims 2026·GS1·science-technology·earth sciences

Which of the following statements with regard to India's indigenous new high resolution weather model, the 'Bharat Forecast System,' is/are correct? 1. Its objective is to generate forecasts at the Panchayats cluster level. 2. It was developed by IIT Delhi. Select the answer using the code given below :

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Last updated 25 May 2026, 8:23 pm IST
  1. A1 onlyCorrect
  2. B2 only
  3. CBoth 1 and 2
  4. DNeither 1 nor 2

Explanation

The Bharat Forecast System (BFS) is India's advanced, indigenous numerical weather prediction model, officially adopted by the India Meteorological Department (IMD) in May 2025 to provide hyper-local climate insights.

  • Statement 1 is correct: The primary objective of the BFS is to generate highly accurate weather forecasts down to the panchayat cluster or village level. It achieves this by using a 6 km x 6 km spatial resolution grid, a significant upgrade from the previous 12 km resolution. This ultra-fine Triangular Cubic Octahedral (TCO) grid makes India the first country to operationalize a 6-km resolution global weather model, vastly improving disaster preparedness and agricultural planning.
  • Statement 2 is incorrect: The Bharat Forecast System was not developed by IIT Delhi. It was indigenously developed by the Indian Institute of Tropical Meteorology (IITM), Pune, an autonomous institute under the Ministry of Earth Sciences. The model utilizes the immense processing power of advanced supercomputers like 'Arka' (located at IITM Pune) and 'Arunika' (at NCMRWF, Noida) to drastically reduce forecast generation time.

Takeaway Mnemonic: Remember BFS as Better Forecasts for Sarpanchs—delivering accurate weather data to the Panchayat level, developed by IITM (Meteorology, Pune), not IIT Delhi.

science-technology: Which of the following statements with regard to India's indigenous new high resolution weather model, the 'Bharat Forec

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