Author: Arvin Jayasuriya

  • Pre-emptive Reservoir Water Releases During Extreme Rainfall Warnings

    Pre-emptive Reservoir Water Releases During Extreme Rainfall Warnings

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    Sri Lanka received an extraordinary warning on 12 November 2025 from both meteorological and hydrological authorities: the island was likely to be hit by a “once-in-50-years” rainfall event in the days ahead. This level of forecast signalled rainfall far beyond historical norms, with the potential to unleash widespread flooding, reservoir overflows, flash floods, and major

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