This HTML5 document contains 4 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
n5tornadoproofhouses.
Subject Item
isa:229992423
rdf:type
prov:Entity
prov:value
The ratio seems to be similar except for some areas where it is less such as the United Kingdom, but because of few overall number of tornadoes there are few strong tornadoes.
prov:wasQuotedFrom
n5:com
Subject Item
isap:80297569
prov:wasDerivedFrom
isa:229992423