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temperature

22,000 Percent Increase In Heat Extremes 1980 to Present – 60,000 Percent More Likely

By Abrupt changes, Extreme Weather, Heat, Impacts, Temperature

Extreme Heat Increased 22,100 Percent in Last 40 Years James Hansen has a new post out to his big list where he shows heat extremes across Northern Hemisphere land areas have increased a mind bending 22,000 percent. Breaking down Hansen’s work, in the classic 3-standard deviation bell curve colored red, white, blue and burnt sienna with…

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How Hot Is it? The New Hockey Stick

By Temperature

Super Nino may have caused the temperature peak, but the chaos is weather too. The big question is, “how much will it cool off next year?” It may not be much. The way the extremes are increasing (and have you seen the recent jump in sea level rise) it is becoming obvious that we have…

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IPCC: More Than All of Observed Warming Has Been Caused by Humanity’s Emissions

By aerosols, Emissions, in-depth and Popular Press, Temperature

First published on Truthout.org April 24, 2015. “The best estimate of the human-induced contribution to warming is similar to the observed warming [from 1951 through 2010].” IPCC 2013, Summary for Policy Makers.(1) This statement differs radically from the almost ubiquitous understanding that part of global warming has been caused by humanity and part is natural. In…

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2014: Hottest Year Ever (?)

By Temperature, Truthout.org

First published on Truthout, February 11, 2015. The last time we had this discussion was 2013, remember? Before that it was 2010. Before that it was 2005 and everything started with the Super El Nino in 1998. Statistically, saying that 2014 was the hottest year ever is a very valid thing and if you understand…

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Climate Change In Austin: You be the judge.

By Temperature

The details of the temperature record are a lot more extreme than the National Weather Service averages reveal. Their current January average for Camp Mabry is 2.1 degrees above normal, but it’s nearly 5 degrees warmer than the 1980 average. Is this just the normal chaos of weather? The annual average Austin temperature has increased…

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HMS Challenger Expedition (1872 to 1876) — The Greatest Scientific Venture of the 18th and 19th Century

By Oceans, Uncategorized

HMS Challenger Expedition gave us exceptional baseline data for 21st century ocean warming evaluation. Average global ocean temperature change is  0.59 degrees C. The Royal Society, University of Edinburgh and Mechiston Castle School sponsored the expedition around the globe to explore the deep oceans. Led by Captain George Nares, the expedition is credited with the…

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The Biggest Misunderstanding About Climate Change

By Heat

Warming Over Land will be Twice the Global Average Because of Cool Ocean Water (Posted on the Ragblog August 9, 2012  http://theragblog.blogspot.com/2012/08/bruce-melton-biggest-misunderstanding.html) Why didn’t they tell us this to start with for goodness sakes! An average considers warming over land and water. Warming over land is much greater than it is over water. Anyone who…

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Twelve-month Average Temperature Reaches All Time High

By Temperature

The latest analysis of global temperature from GISs looks at the 12-month running average global temperature. Using the twelve month average smoothes out the chaos of monthly weather changes. The running average averages successive twelve month periods: March through February, April through March, May through April, etc. It’s a little different way of looking at…

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New 30-year Climate Averages Obscure Climate Change Even More

By Temperature

Every ten years NOAA recalculates their average temperature. the average temperature is what we hear every night on television when the weathergirl says “the normal low temperature today was fourtysomething (or whatever).” NOAA, the parent organization of the National Weather Service, supplies these “normal temperatures. They are based on the average temperature for the high…

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Five Big All-time Global Climate Records Broken in June: Temperature, Temperature, Temperature, and Arctic and Antarctic Sea Ice

By Impacts

NOAA reports that June, April to June, and the Year-to-Date Global Temperatures are the warmest on Record. Last month’s combined global land and ocean surface temperature made it the warmest June on record and the warmest on record averaged for any April-June and January-June periods. Arctic sea ice covered was 10.6 percent below the 1979-2000…

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