Events like heat waves almost certainly bear a human imprint, the report said, and many droughts and heavy rain events do, too. (slate.com)
Other factors that often play a role in the winter weather include the Arctic Oscillation, which influences the number of arctic air masses that penetrate into the South and create nor'easter s on the East Coast, and the Madden - Julian Oscillation, which can affect the number of heavy rain events in the Pacific Northwest. (sciencedaily.com)
Consistent with earlier research, six of the top 10 states with the biggest increases in number of days with heavy downpours are in the Northeast, including Rhode Island, Maine, and New Hampshire, which have seen the number of heavy rain events in the last decade increase by at least 50 percent compared to the 1950s. (climatecentral.org)