<http://schema.org/description>
"The Met Office has issued a yellow weather warning for fog tonight and tomorrow, Tuesday, morning."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.peterboroughtoday.co.uk/news/met-office-issue-weather-warning-as-fog-stays-with-us-tonight-and-tuesday-1-7044040>