Nonsequitur: National Climate Assessment Report Blames Recent Extreme Weather on Climate Change

May 6, 2014

The Obama Administration has released its report on the effects of climate change (global warming). The report opens with this alarming statement:

Climate change is already affecting the American people in far reaching ways. Certain types of extreme weather events with links to climate change have become more frequent and/or intense, including prolonged periods of heat, heavy downpours, and, in some regions, floods and droughts.

Is global warming really causing catastrophic weather? Here are three charts from the National Oceanic and Atmospheric Administration whose job it is to track US weather over time. (Click to enlarge.)

Average_Drought_Conditions_in_the_Contiguous_48_States,_1895-2011

tornadoes

These charts demonstrate that severe weather varies decade by decade, and during the recent decade, our weather has been pretty average. It’s not this author’s intent to challenge the whole of the report with a few charts. But if the committee couldn’t even get the first two sentences right ….

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