India's operational NCMRWF Unified Model for numerical weather prediction is called:

Explanation

NCUM is the NCMRWF Unified Model used for India's operational numerical weather prediction. NCMRWF classifies NCUM among its deterministic model forecast products as a global analysis and forecast system adapted from the UK Met Office. Global analysis is carried out four times daily, and forecasts run from the 00 and 12 UTC cycles. NCUM runs at NCMRWF, Noida, on the Mihir supercomputer and provides short- to medium-range weather forecasts. NCUM is the operational NWP model, while IITM Pune's Pratyush is associated with climate modelling rather than this specific operational NCMRWF model.

Why the other options are wrong

• (A) WeatherBot is not a real NCMRWF operational numerical weather prediction system.
• (C) IMD-Net is not the model name; NCMRWF identifies NCUM as the deterministic forecast model product.
• (D) GFSWIN is not the primary NCMRWF Unified Model; NCUM is the NCMRWF deterministic forecast product.

Concept

Science and Technology in RAS links supercomputing, numerical weather prediction and operational public weather services. Weather forecasting institutions and applied computing often appear in current-affairs-linked science questions.

Source

• National Centre for Medium Range Weather Forecasting

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