Evaluation of ERA-Interim reanalysis precipitation products using England and Wales observations

  title={Evaluation of ERA-Interim reanalysis precipitation products using England and Wales observations},
  author={Jan de Leeuw and John Methven and Mike Blackburn},
Precipitation forecast data from the ERA-Interim reanalysis (33 years) are evaluated using the daily England and Wales Precipitation (EWP) observations obtained from a rain gauge network. Observed and reanalysis daily precipitation data are both described well by Weibull distributions with indistinguishable shapes but different scale parameters, such that the reanalysis underestimates the observations by an average factor of 22%. The correlation between the observed and ERA-Interim time series… CONTINUE READING


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