Friday, January 18, 2013

Climate Assessment Warns Of Devastating 9°-15°F Warming Over Most Of U.S. ClimateProgress

Climate Assessment Warns Of Devastating 9°-15°F Warming Over Most Of U.S.
Posted: 11 Jan 2013 02:34 PM PST
The rule in Washington, DC is if you want to bury news, release it late on a Friday afternoon. So one can only assume the climate silence crowd prevailed in the release this afternoon of the draft U.S. Climate Assessment.
Perhaps it’s this chart they don’t want folks talking about, from the “Newer Simulations for Projected Temperature” in Chapter 2:
Projected rise in average U.S. surface air temperature 2071-2099 relative to 1971-2000. This is RCP 8.5, “a scenario that assumes continued increases in emissions,” with CO2 levels hitting about 940 parts per million. It is close to the emissions path we are currently on — but not the worst-case scenario and not where still-rising temperatures would end up post-2100.
The Assessment, put together by dozens of the country’s top climate experts, makes clear that if we stay anywhere near our current emissions path, we are headed towards a devastating 9°F to 15°F warming over most of the United States (this century), with ever-worsening extreme weather, heat waves, deluges and droughts. As the report notes “generally, wet [areas] get wetter and dry get drier.” Future generations will be wishing for the boring “moist” and “cool” days of 2012 (when they aren’t cursing our names).
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