Assertion: wave's trough | /r/CapableOf | share many characteristics
Facets:
value: with fully tropical waves
type: OTHER
Source sentences:
text: West-moving waves can also form from the tail end of frontal zones in the subtropics and tropics and may be called to as easterly waves, but these waves are not properly called tropical waves; they are a form of inverted trough sharing many characteristics with fully tropical waves.