EEE 2017: Attribution of the 2017 Northern High Plains Drought

Main finding:

The 2017 northern High Plains precipitation deficits were largely the result of internal atmospheric variability. Global warming may have exacerbated the dry condition by producing surface warming and increasing the probability of heat waves there.

Larger report:

EEE 2017 = Explaining Extreme Events of 2017 from a Climate Perspective