There's condensation in the air. You can feel it.
This video packs 14 years of United States weather (1997 - 2011) into 33 minutes, presenting a total of 120,900 individual frames, each spaced one hour apart. And they're all set to Beethoven's Piano Concerto No. 5 in E flat Major. If you want to get right to the drama, we recommend jumping to the climactic 27th minute. H/T Devour.