Washington DC : The two back-to-back winter storms in February 6th 2010 & Feb 10th 2010 (dubbed Snowpocalypse & Snowmeggedon).
I was a Senior in college in Washington DC during these two blizzards. My college schedule was arranged where I had no classes on either Mondays or Fridays. So when these two blizzards hit the area of downtown Washington DC, the University was closed and how it ended up working out due to my personal schedule, I didn't have any classes for a solid 2 weeks -- I had more time off due to these blizzards than the entire allocation for Spring Break.
It was phenomenal. I never saw so much snow in my entire life --- both produced around 20 inches of snow, so when all was said and done there was somewhere between 30 to 40 inches of snow on the ground. It was absolutely incredible to witness. A lot of drinking in celebratory fashion was had. Ah college, good times.