Assertion: cold front's air | /r/CapableOf | lead bright i.e. lower height
Facets:
Source sentences:
text: The driest air, in the case of the, lies behind and below the frontal surface, but within and below the frontal surface in the case of theIn the case of thr, the zero line of shear vorticity, marking the jet axis, crosses the cloud band leading less bright (i.e. lower height) frontal clouds at the cyclonic side.