Introduction to data assimilation in meteorology - ForOT Optical ...
Introduction to data assimilation in meteorology - ForOT Optical ...
Introduction to data assimilation in meteorology - ForOT Optical ...
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Assimilated <strong>in</strong>formation : background<br />
Problems :<br />
– Lack of observation <strong>in</strong> some part of the atmosphere.<br />
– Observation<br />
number<br />
smaller than the numerical state dimension (for AROME 10 4 VS 10 7 .( Need of an other<br />
<strong>in</strong>f<br />
ormation Background source : a previous x b forecast of the atmospheric state.<br />
Observations y o Analysis at t 0
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