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It’s Official: 2015 Was Earth’s Warmest Year On Record

Avatar for Paul Rusnak Posted by Paul Rusnak|January 22, 2016

According to independent analyses by NASA and the National Oceanic and Atmospheric Administration (NOAA), Earth’s 2015 surface temperatures were the warmest since modern recordkeeping began in 1880.

Globally-averaged temperatures in 2015 shattered the previous mark set in 2014 by 0.23°F. Only once before, in 1998 (another El Niño-influenced year), has the new record been greater than the old record by this much.

The 2015 temperatures continue a long-term warming trend, according to analyses by scientists at NASA’s Goddard Institute for Space Studies (GISS) in New York (GISTEMP).

NOAA scientists concur with the finding that 2015 was the warmest year on record based on separate, independent analyses of the data. Because weather station locations and measurements change over time, there is some uncertainty in the individual values in the GISTEMP index. Taking this into account, NASA analysis estimates 2015 was the warmest year with 94% certainty.

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Phenomena such as El Niño or La Niña, which warm or cool the tropical Pacific Ocean, can contribute to short-term variations in global average temperature. A warming El Niño was in effect for most of 2015.

Weather dynamics often affect regional temperatures, so not every region on Earth experienced record average temperatures last year. For example, NASA and NOAA found that the 2015 annual mean temperature for the contiguous 48 United States was the second warmest on record.

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Paul Rusnak is the Senior Online Editor of American Vegetable Grower, American Fruit Grower, and Greenhouse Grower magazines, all Meister Media Worldwide brands. He is based in Northeast Florida. See all author stories here.

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Avatar for keithsrv keithsrv says:
January 27, 2016 at 6:38 pm

That happens when you allow people interested in getting and issuing grants in charge of making correctional adjustments to actual readings. Its been known they reduce temperature in old data and increase it in new data. It is called correctional adjustments for errors in the data supposedly from equipment and for other anomalies. When the old data is always shifted down and the new is shifted up there are problems with the probability statistics. Especially with more heat island effect now over the past, as well as stations may have the white coverings and air fans not as white and not as efficient as when stations were new. More likely adjustments should have been reversed of what was done. The video is an artificial construct for political purposes, such that there were no views of the world at that time like that and I would guess the accuracy of temperature readings is likely quite variable. I have even noticed differences is supposed certified thermometers that may be certified at different temperatures, in other words there is always instrument error. Even airports have more business and more concrete runways than in the past and a lot of temperature readings come from airports, often near large growing cities. As for NASA they likely wish to continue getting funding for this sort of thing even after Hansen retired, especially since they’ve cut real space travel research. I think the people that thought he was over stepping getting NASA in on this line of work have retired also.

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Avatar for Joe Joe says:
February 10, 2016 at 10:30 am

These are strong statements, do you have any sources to substantiate your “findings”? What are your qualifications?

To all of you believing in the scientist conspiracy theory that is based on “research grants” you must understand that fossil fuel companies are happy to give away grants as well that would find data suggesting the global warming effect does not exist. However, such research failed each time.

The argument about CO2 levels rising during great depression is, and I am sorry to say that, shows a complete lack of understanding of the issue and an absolute lack common sense. Even if we completely stop producing CO2 today the level would continue increasing for some time in some parts of the atmosphere. CO2 does not magically travels to all parts of the globe the moment it is produced.

At last, dont forget that insurance companies (private business) and Pentagon are very actively planning for the climate change because every reasonable person STOPPED BELIEVING IN THESE CONSPIRACY THEORIES LONG AGO.

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Avatar for keithsrv keithsrv says:
February 10, 2016 at 6:02 pm

No conspiracy, its just what people do to protect their duplicitous interests. Like minds work together, many times unfortunately for society. Government likes it so they can use these things for power to control people and economic activity. If you think there is benevolence in government activity it is rare or almost always an illusion. Here is an article I saw the other day, and an older one form same:
http://dailycaller.com/2016/01/28/300-scientists-want-noaa-to-stop-hiding-its-global-warming-data/

http://dailycaller.com/2015/06/04/noaa-fiddles-with-climate-data-to-erase-the-15-year-global-warming-hiatus/

The hiatus is really like 18 years.

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Avatar for Meadow Cove Farm Meadow Cove Farm says:
January 28, 2016 at 1:13 pm

Forward this to Donald Trump!

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Avatar for gymnosperm gymnosperm says:
January 30, 2016 at 11:02 am

Since my prior comment seems not included, I’ll try again. Please find graphic below that shows what keithsrv is talking about.

https://geosciencebigpicture.files.wordpress.com/2016/01/credit-tony-heller-vs-noaa-bar-anomaly.png

These are just the “adjustments” since 2001. There were lots more before that.

https://geosciencebigpicture.files.wordpress.com/2014/11/noaa-adjustments.gif

The press needs to find it’s role as objective reporters and quit parroting the pabulum of the Carbon moonies.

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Avatar for keithp keithp says:
February 1, 2016 at 2:21 pm

Also, kind of interesting that temperature (as well as CO2 levels) kept “increasing” during the 1930’s when industry pretty much collapsed world wide during the depression.

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Avatar for John Pandol John Pandol says:
January 30, 2016 at 12:28 pm

If the temperatures were indeed higher, an economic analysis of derived demand should confirm or refute the thesis. Goods and services who demand elasticity is effect by temperature could be studied. Things like air conditioners, fans, electricity at peak times(I don’t remember any brown outs last summer?) sports drinks, swimming pool visits, emergency room visits for heat complications as well as a decrease in winter items over a multi year average. Just for kicks, I have my own observational benchmark. In the San Joaquin Valley, almonds are in full bloom on St. Valentine’s Day. Those apolitical trees just never got the global warming memo.

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Avatar for keithsrv keithsrv says:
January 30, 2016 at 6:47 pm

It is anecdotal but my grapes bud break was later the last 2 hottest years than the previous 3 or 4 years before that. Doesn’t mean a lot, as far as globally is concerned. It is just that a lot of science has been corrupted when there is an political component involved and with grant money that scientists like to see continued.

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