<http://schema.org/description>
"Last week United States Tornadoes put together a post on how &amp;quot;tornadoes progress across the United States throughout the year&amp;quot;. This inspired me to dig through the data (every confirmed tornado since 1950) and experiment with different ways to visualize..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.weather5280.com/blog/2014/02/25/us-tornadoes-an-aggregate-visualization-and-tornadoes-through-time/>