Articles | Volume 20, issue 2
Nat. Hazards Earth Syst. Sci., 20, 425–450, 2020
https://doi.org/10.5194/nhess-20-425-2020

Special issue: Hydrological cycle in the Mediterranean (ACP/AMT/GMD/HESS/NHESS/OS...

Nat. Hazards Earth Syst. Sci., 20, 425–450, 2020
https://doi.org/10.5194/nhess-20-425-2020

Research article 07 Feb 2020

Research article | 07 Feb 2020

Evaluation of two hydrometeorological ensemble strategies for flash-flood forecasting over a catchment of the eastern Pyrenees

Hélène Roux et al.

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Latest update: 18 Jun 2021
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Short summary
The performances of flash-flood forecasts are evaluated using a meteorological model forcing a rainfall-runoff model. Both deterministic (single forecast of the most likely weather) and ensemble forecasts (set or ensemble of forecasts) have been produced on three subcatchments of the eastern Pyrenees exhibiting different rainfall regimes. Results show that both overall discharge forecast and flood warning are improved by the ensemble strategies with respect to the deterministic forecast.
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