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USING SATELLITE OBSERVATIONS AND REANALYSES TO EVALUATE CLIMATE AND WEATHER FORECAST MODELS
 

Summary: USING SATELLITE OBSERVATIONS AND REANALYSES TO EVALUATE CLIMATE
AND WEATHER FORECAST MODELS
Richard P. Allan
Environmental Systems Science Centre
University of Reading
Reading, Berkshire, RG6 6AL, UK
Email: rpa@mail.nerc-essc.ac.uk
ABSTRACT
Satellite observations of water vapour and radiative
fluxes are used in combination with reanalyses data to
evaluate the Met Office weather and climate prediction
models. Using reanalysis vertical motion data, it is
established that much of the climate model error in
radiative fluxes relates to errors in dynamical fields.
Radiative feedback processes are to a large extent
independent of these positional errors in the large-scale
circulation. It is therefore of great value to analyse the
relationships between water vapour, clouds and radiation
in terms of dynamic regime or by averaging over large-
scale circulation systems. Using the latter approach, it is

  

Source: Allan, Richard P. - Department of Meteorology, University of Reading

 

Collections: Geosciences