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In practice these extreme values of the interpolation function (α) are not realistic and the function that is used to interpolate between the temperature at 10m and the skin temperature is shown in Fig2.1.9.4-2.  This interpolation function gives rather better results than that used in earlier model cycles (Cy48 and earlier). 

  • in some winter regions 850 hPa temperatures are degraded. This is partly due to unrealistic coupling in stable conditions.


Forecast of 2m humidity

Model output of forecast of screen level humidity (q2m) is not a direct output from the atmospheric model.   It is interpolated in a similar way to screen level temperature.

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