Assertion: tropical cyclone | /r/HasProperty | proportional
Facets:
value: to the cube of wind speed
type: OTHER
Source sentences:
text: Emanuel  defined an index for the total power dissipation of a tropical cyclone that is proportional to the cube of wind speed (the Power Dissipation Index, PDI): (1) PDI = ∫ 0 τ V max 3 d t