Cold Fall's do precede cold Winter's. I'm actually surprised how big the correlation is, I would think seasonal patterns fluctuate more.. but not really in the last 70-150+ years.
And it sucks because it almost certainly won't grow back. Even in the wildest best case scenario where some temporary AGW feedback loop or a bout of crazy natural variability advances the glaciers for a spontaneous cold decade, the long term trend is still bleak.