New EFI parameters for forecasting severe convection
Tsonevsky, Ivan
Année de publication
2015
A strategic goal of ECMWF is to provide reliable forecasts of severe weather throughout the medium range (3–10 days) to national meteorological services. To this end, in 2003 ECMWF developed the Extreme Forecast Index (EFI), which provides indications of severe events and is based on the ECMWF ensemble forecast (ENS). The range of parameters to which the index is applied will soon be widened to include dedicated indicators of severe convection. The new EFI parameters have been shown to discriminate well between severe and non-severe convection in the medium range.
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