<http://schema.org/about>
"As recent tornado outbreaks around the country have shown, severe weather is getting a jump on the spring season. The main tornado season may still be weeks awa"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/climate-weather/stories/watch-out-for-deadly-nighttime-tornadoes-this-winter>