Assertion: drought | /r/CapableOf | reach a drought index of −7
Facets:
value: by 1956 parts of central nebraska
type: TEMPORAL
value: below the extreme drought index
type: OTHER
Source sentences:
text: These droughts continued from the 1940s drought in the Southwestern United States, New Mexico and Texas during 1950 and 1951; the drought was widespread through the Central Plains, Midwest and certain Rocky Mountain States, particularly between the years 1953 and 1957, and by 1956 parts of central Nebraska reached a drought index of −7, three points below the extreme drought index.