Premodifier: calm
Head noun: wind

Same concepts
http://dbpedia.org/resource/Beaufort_scale

Broader concepts

labelprovenanceconfidence
environmental factorisap:3073627610.729836
weather conditionisap:2866338700.578713
tonightisap:75642700.224288
conditionisap:2866338620.156359

Narrower concepts

labelprovenanceconfidence