Improving precipitation forecasts using extreme quantile regression

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2 Citations (Scopus)
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Aiming to estimate extreme precipitation forecast quantiles, we propose a nonparametric regression model that features a constant extreme value index. Using local linear quantile regression and an extrapolation technique from extreme value theory, we develop an estimator for conditional quantiles corresponding to extreme high probability levels. We establish uniform consistency and asymptotic normality of the estimators. In a simulation study, we examine the performance of our estimator on finite samples in comparison with a method assuming linear quantiles. On a precipitation data set in the Netherlands, these estimators have greater predictive skill compared to the upper member of ensemble forecasts provided by a numerical weather prediction model.

Original languageEnglish
Pages (from-to)599-622
Number of pages24
Issue number4
Publication statusPublished - 2019


  • Asymptotics
  • Extreme conditional quantile
  • Extreme precipitation
  • Forecast skill
  • Local linear quantile regression
  • Statistical post-processing


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