From Science Daily, comes this piece that -almost- accepts the facts that the experts still don't know what's causing all this extreme weather.
Read more @ Trapped atmospheric waves triggering more weather extremes: Trend expected to continue -- ScienceDaily
Weather extremes in the summer -- such as the record heat wave in the United States that hit corn farmers and worsened wildfires in 2012 -- have reached an exceptional number in the last ten years. Human-made global warming can explain a gradual increase in periods of severe heat, but the observed change in the magnitude and duration of some events is not so easily explained.
Read more @ Trapped atmospheric waves triggering more weather extremes: Trend expected to continue -- ScienceDaily