mef: forecast bias, mean of the errors between forecast F and the verifying reference O:
\[ \text{mef}=\overline{F-O} \]sdef: standard deviation of the forecast error:
\[ \text{sdef}=\sqrt{\overline{\left[(F-O)-\overline{F-O}\right]^2}} \]rmsef: square root of the mean square error of the forecast:
\[ \text{rmsef}=\sqrt{\overline{(F-O)^2}} \]00 UTC | 12 UTC | |
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