Ensemble Air Quality Modeling Using the Coupled WRF-CMAQ Model Robert Gilliam*, Christian Hogrefe*, James Godowitch*, Rohit Mathur*, Jun Du** *US EPA,
2011-2012 HPC Winter Weather Desk Operations and 2011 and 2012 Winter Weather Experiments
High Ensemble Variability: Hanna 9/6/08 00Z Run 18-42 Hour Acc. Precip.
2013-2014 WPC Winter Weather Desk Operations and Verification
