Premodifier: tropical
Head noun: system

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

Broader concepts

labelprovenanceconfidence
stormisap:1164459160.365353

Narrower concepts

labelprovenanceconfidence
tropical stormisap:1569988740.811516
hurricaneisap:1354013650.635091
sandyisap:1553850710.383378
typhoonisap:2758883920.375410