New study by Gard recognizes severe weather as major contributor to container losses at sea

Chamber of Shipping > Blog > News > International > New study by Gard recognizes severe weather as major contributor to container losses at sea

A study by the Norwegian marine insurance group Gard has analyzed the impact of weather, specifically wave height, on container stack collapses. With the global container shipping fleet growing and incidents like stack collapses becoming more prevalent, Gard examined weather data related to these incidents from 2016 to 2021. The study found a correlation between increasing wave heights over a seven-day period leading up to an incident and the frequency of stack collapses, particularly highlighting that vessels often experience these incidents after being exposed to high waves, not necessarily at the peak of wave height. Vessels involved in stack collapse incidents spent a significant portion of their time in calmer waters, yet the risk of incidents spikes dramatically in rougher conditions. The study also noted a higher exposure to dangerous wave heights among larger vessels and certain size segments, suggesting the need for improved weather routing, maintenance of securing equipment, and better risk evaluation tools to mitigate these risks.

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