Assertion: shear | /r/HasProperty | observed at any elevation
Facets:
value: to the tropopause
type: LOCATION
value: from the surface of the earth
type: LOCATION
value: either vertically
type: MANNER
Source sentences:
text: Since weather fronts are three-dimensional, shear at the front can be observed at any elevation from the surface of the earth to the tropopause either vertically or horizontally.