Assertion: hurricane's peak intensity | /r/CapableOf | shift in hemisphere
Facets:
value: during the past thirty years
type: TEMPORAL
value: poleward
type: DEGREE
Source sentences:
text: Their data indicates that during the past thirty years, the peak intensity of these storms has shifted poleward in both hemispheres at a rate of approximately 60 km per decade, amounting to approximately one degree of latitude per decade.