Correlation of wind and precipitation annual aggregate severity of European cyclones
Jones, Toby P. ; Stephenson, David B. ; Priestley, Matthew D. K.
This study has investigated the correlation between wind gust and precipitation annual aggregate severity arising from extratropical cyclones over the Europe-Atlantic region. Annual aggregate severity indices have been constructed by summing exceedances above chosen damage thresholds of wind gust and precipitation accumulation for all storms. A strong positive correlation between wind and precipitation aggregate severity exists at low thresholds. At higher thresholds where severity indices are a better reflection of wind and flood losses, negative correlations occur over Western Europe. These aggregates should therefore not be assumed to be either independent or positively correlated.</p>
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