Articles | Volume 22, issue 3
https://doi.org/10.5194/hess-22-1831-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-22-1831-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
13 Mar 2018
Research article |
| 13 Mar 2018
| 13 Mar 2018
Relative effects of statistical preprocessing and postprocessing on a regional hydrological ensemble prediction system
Sanjib Sharma
CORRESPONDING AUTHOR
Department of Civil and Environmental Engineering, The Pennsylvania State University, University Park, PA, USA
Ridwan Siddique
Northeast Climate Science Center, University of Massachusetts, Amherst, MA, USA
Seann Reed
National Weather Service, Middle Atlantic River Forecast Center, State College, PA, USA
Peter Ahnert
National Weather Service, Middle Atlantic River Forecast Center, State College, PA, USA
Pablo Mendoza
Advanced Mining Technology Center (AMTC), Universidad de Chile, Santiago, Chile
Alfonso Mejia
CORRESPONDING AUTHOR
Department of Civil and Environmental Engineering, The Pennsylvania State University, University Park, PA, USA
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Latest update: 23 Apr 2025
Short summary
We investigate the relative roles of statistical weather preprocessing and streamflow postprocessing in hydrological ensemble forecasting at short- to medium-range forecast lead times (day 1–7). For this purpose, we develop and implement a regional hydrologic ensemble prediction system (RHEPS). Overall analysis shows that implementing both preprocessing and postprocessing ensures the most skill improvements, but postprocessing alone can often be a competitive alternative.
We investigate the relative roles of statistical weather preprocessing and streamflow...
