Dr. Roger Pielke on The US National Climate Assessment and Weather Extremes:
Drought: “drought statistics over the entire CONUS have declined … no detectable change in meteorological drought at the global scale”
Hurricanes: “there is still low confidence that any reported long-term (multidecadal to centennial) increases in TC activity are robust”
“IPCC AR5 did not attribute changes in flooding to anthropogenic influence nor report detectable changes in flooding magnitude, duration, or frequency”
In the US “”increasing & decreasing flooding magnitude but does not provide robust evidence that these trends are attributable to human influences… no formal attribution of observed flooding changes to anthropogenic forcing has been claimed"
The data says what it says. There is precious little evidence that extremes have become worse in the US since at least 1900, with the exception of more winter storms since 1950 and overall fewer cold spells. Attribution is weak to nonexistent.
"It is not just droughts that are at or near record levels. On almost every measure of extreme weather, the data is not cooperating with the claims of the climate change campaigners. Tornadoes, floods, droughts, and hurricanes are failing to fit in with the global warming narrative."
'According to NOAA, the number of tornadoes has been steadily growing since the 1950s, despite a drop in numbers in the last five years. -- But with increased National Doppler radar coverage, increasing population, and greater attention to tornado reporting, there has been an increase in the number of tornado reports over the past several decades. This can create a misleading appearance of an increasing trend in tornado frequency.
'The bottom line is that the NOAA headline graph is grossly dishonest...NOAA themselves know all of this full well. Which raises the question – why are they perpetuating this fraud?'