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NAM NMM MOS Prototype Evaluation
New MOS forecast equations based on output from NCEP's North American Mesoscale Model (NAM) have been developed for selected weather elements, namely Temperature, Dewpoint, Max and Min Temperature, Probability of Precipitation (POP), and wind speed and direction. The tables below give the results of cool- and warm-season comparative verications for three configurations - the original eta MOS system (ETA), the eta MOS equations applied to the current NAM model (ETAonNMM), and new NAM MOS system (NMM). In most cases the new NAM MOS system performed best.
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The columns with a blue heading are cool season scores. The columns with a
red heading are warm season scores.
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