Fig. 11.1. Seasonal analysis of RMSE for six meteorological parameters
including, (from left to right, top to bottom) air temperature, dew point
temperature, wind speed, cloud cover, u-component of the wind direction,
and v-component of the wind direction. Hour 0 = 18 UTC.
A forward error correction approach was implemented for the 2004 field season,
significantly improving RWFS forecasts in the first 6 hours. During this time window,
RWFS forecast RMSEs were markedly smaller than those for the individual components
for all variables (see Fig. 11.1). For example, the temperature forecasts in the 0-6 hour
lead times from the RWFS have RMSE values were 0.75-1.75C, whereas its components
had RMSE values of 2-3C.
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