Extreme Weather Map (USA)

The Natural Resources Defense Council recently created an interactive map of the USA that shows all of the extreme weather events that have taken place in 2011 alone. "In 2011, there were at least 2,941 monthly weather records broken by extreme events that struck communities in the US."

http://www.nrdc.org/health/extremeweather/

Click the play button to see the map- pretty cool!