About: http://webisa.webdatacommons.org/115903480

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	It often covers an area of 20,000 square miles or so, in which there is a potential for even one tornadic thunderstorm.
http://www.w3.org/ns/prov#wasQuotedFrom	tornadoproject.com