Assertion: year drought | /r/CreatedBy | significant el niño event
Facets:
value: in the pacific ocean
type: LOCATION
value: most likely
type: DEGREE
Source sentences:
text: In California, the five-year drought ended in late 1991 as a result of unusual persistent heavy rains, most likely caused by a significant El Niño event in the Pacific Ocean and the eruption of Mount Pinatubo in June 1991.