New peer-reviewed paper shows N. American droughts were much more extreme 500 years ago — Published in Journal of Climate
'Finds that the Central Plains of North America experienced multiple severe 'megadroughts' [lasting up to 50 years each] during the Medieval Climate Anomaly from 1100-1500 AD. According to the authors, "These 'megadroughts' had exceptional persistence compared to more recent events." By comparison, the paper shows that droughts over the past 500 years have been less extreme'