Indian National Centre for Ocean Information Services (INCOIS) is in the midst of testing a new, higher-resolution system. This 'Indian Ocean-Land-Atmosphere (IOLA) Coupled Mesoscale Prediction System' aims to deliver more precise forecasts for rainfall, inland severe weather, and crucially, coastal hazards. The system draws on advanced modeling techniques already in use by the India Meteorological Department (IMD).
Senior scientist Sudheer Joseph stated, "Once fully operational, the new system will enable us to produce continuous higher resolution forecasts."
The enhanced forecasting capabilities are seen as vital for 'offshore industries'. The IOLA system is designed to establish a consistent method for simulating extreme weather events, encompassing ocean currents and a range of other coastal phenomena, from the small-scale to the large-scale. This push for greater accuracy arrives as INCOIS also works with a powerful new 'one petaflop' high-performance computing system, intended to bolster predictions for 'tsunamis and extreme weather'.
The Operational Grind
INCOIS, an entity that also houses the 'Indian Tsunami Early Warning Centre', currently provides 'ocean state forecast advisories'. These advisories include data on 'swell height', 'mean wave period', 'sea surface temperature', and 'significant wave height'. The existing framework, it appears, is being superseded by this new IOLA system.
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A Move Towards Precision
The impetus behind this development appears to be the need for more granular and continuous data. The incorporation of advanced modeling and 'nesting techniques' from systems like the 'Hurricane Weather Research and Forecast System' (HWRF) suggests a strategic move to leverage proven, albeit complex, meteorological science. The system’s potential to simulate diverse coastal events uniformly marks a significant ambition.