Weather Prediction: Accuracy and Skill

type weather text here

For a huge database of historical comparisons between the model predictions and observed weather:
http://www.emc.ncep.noaa.gov/mmb/mmbpll/zverif_ops/ or http://www.emc.ncep.noaa.gov/mmb/verif.php

For comparisons of the various model runs:
http://eyewall.met.psu.edu/ensembles/