'Ecmwf ensemble prediction system' presentation slideshows

Sources of uncertainty (EC/TC/PR/RB-L1)

(Magritte). Sources of uncertainty (EC/TC/PR/RB-L1). Roberto Buizza European Centre for Medium-Range Weather Forecasts (http://www.ecmwf.int/staff/roberto_buizza/). Outline. The Numerical Weather Prediction (NWP) problem Sources of forecast uncertainties and chaotic behaviour

688 views • 57 slides

608 views • 48 slides

Verification of ensemble systems

Verification of ensemble systems. Chiara Marsigli ARPA-SIMC. Deterministic forecasts. Event E e.g.: the precipitation cumulated over 24 hours at a given location (raingauge, radar pixel, hydrological basin, area) exceeds 20 mm. no o(E) = 0. yes o(E) = 1.

296 views • 18 slides