In Europe, where precise data reaches back decades, the number of severe floods has jumped five fold since 1995, according to the report, which updates a 2013 assessment.
"There has been, and continues to be, a significant increase in the frequency of extreme weather events," said Michael Norton, environmental programme director for the European Academies' Science Advisory Council.
"They underline the importance of avoiding greenhouse gases, which are fundamentally responsible for driving these changes," he told AFP.
Comment: And still they continue to push the man-made climate change/global warming lie despite over 31K scientists having signed a petition against the global warming agenda.
For impacts that cannot be avoided, he added, "this makes climate proofing all the more urgent."
In Europe, efforts to shore up defences against river flooding have proven effective: despite an increase in frequency of such events, economic loses on the continent have remained static.
"Rather than just coping with disasters after they strike, we need to shift to proactive management of all drivers of risks," commented Munich Climate Insurance Initiative director Soenke Kreft, who did not contribute to the report.
In the United States, however, the damage wrought by storms doubled, on average, from $10 billion in 1980 to $20 billion in 2015, adjusted for inflation, according to the report, based in part on data from insurance giant Munich Re's NatCatSERVICE.
The update also assessed new findings on possible changes in the Gulf Stream, powerful ocean currents running between the Arctic region and the Caribbean that warm the air in northwestern Europe and the US eastern seaboard.
Comment: For more information on extreme weather from around the world, check out our Earth Changes Summaries. The latest video: SOTT Earth Changes Summary - February 2018: Extreme Weather, Planetary Upheaval, Meteor Fireballs
To understand how and why these extreme weather events are occurring read Earth Changes and the Human Cosmic Connection by Pierre Lescaudron and Laura Knight-Jadczyk.