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HarmonEPS—The HARMONIE Ensemble Prediction System
Title: HarmonEPS—The HARMONIE Ensemble Prediction System
Authors: Frogner, Inger-LiseAndrae, UlfBojarova, JelenaCallado Pallarés, AlfonsAutor AEMETEscribà, PauAutor AEMETFeddersen, HenrikHally, AlanKauhanen, JanneRandriamampianina, RogerSingleton, AndrewSmet, GeertVeen, Sibbo van derVignes, Ole
Issue Date: 2019
Publisher: American Meteorological Society
Citation: Weather and Forecasting. 2019, 34, p. 1909–1937
Publisher version:
Abstract: HarmonEPS is the limited-area, short-range, convection-permitting ensemble prediction system developed and maintained by the HIRLAM consortium as part of the shared ALADIN–HIRLAM system. HarmonEPS is the ensemble realization of HARMONIE–AROME, used for operational short-range forecasting in HIRLAM countries. HarmonEPS contains a range of perturbation methodologies to account for uncertainties in the initial conditions, forecast model, surface, and lateral boundary conditions. This paper describes the state of the system at the version labeled cycle 40 and highlights some directions for further development. The different perturbation methods available are evaluated and compared where appropriate. Several institutes have operational or preoperational implementations of HarmonEPS, such as MEPS (Finland, Norway, and Sweden), COMEPS (Denmark), IREPS (Ireland), KEPS (the Netherlands), AEMET-gSREPS (Spain), and RMI-EPS (Belgium), and these systems are briefly described and compared with the ensemble prediction system (IFS ENS) from the European Centre for Medium-Range Weather Forecasts (ECMWF).
ISSN: 0882-8156
Appears in Collections:Artículos científicos 2019-2022

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