"Another member of the ensemble (CNTL: Control forecast) is at a lower spatial resolution than the HRES but at that lower resolution it utilises the most accurate estimate of the current conditions and the currently best description of the model physics. Its significance for the ensemble is that it provides the unperturbed member to which the perturbations for the remainder of the ensemble members are applied."
Per CWG's 4 pm update:
" It is very unlikely, however, this event will be as intense as the destructive June 2012 derecho that swept through the region. :