<http://webisa.webdatacommons.org/23372566>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/23372566>	<http://www.w3.org/ns/prov#value>	"They can be triggered, for example, by convection (the rise of lighter, warmer air) from below or by horizontal flow passing over an obstacle, such as a mountain." .
<http://webisa.webdatacommons.org/prov/61539067>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/23372566> .
<http://webisa.webdatacommons.org/23372566>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<spacedaily.com> .