New studies & data reveal ‘global warming’ NOT behind California drought – Not ‘unprecedented’ – 1970’s droughts blamed on ‘global cooling’


By: - Climate DepotSeptember 14, 2015 12:56 PM with 6 comments

Climate Depot Special Report

The media is once again attempting to portray the current California drought as historically unprecedented. See: Scientists say it’s been 500 years since California has been this dry & Californian water source at 500-year low: “We should be prepared for this type of snow drought to occur much more frequently because of rising temperatures,” lead author Valerie Trouet, a professor at the University of Arizona, said in a statement. “Anthropogenic” –- or manmade –- global warming “is making the drought more severe,” she added. 

But recent peer-reviewed studies U.S. government scientists and historical data refute these drought claims.

Two new studies show that global warming is not behind California drought – there is a gigantic warm blob in the Pacific Ocean that is fueling California’s four-year-long drought, and it has nothing to do with global warming. Two new studies released in the journal “Geophysical Research Letters”, explain how this large expanse of warm ocean water is affecting California’s weather as well as the East Coast’s past two brutal winters. Read more here.

NOAA Study: :Causes of Calif. drought natural, not man-made- Dec. 2014 – Natural weather patterns, not man-made global warming, are causing the historic drought parching California, says a study out Monday from federal scientists. “It’s important to note that California’s drought, while extreme, is not an uncommon occurrence for the state,” said Richard Seager, the report’s lead author and professor with Columbia University’s Lamont Doherty Earth Observatory. The report was sponsored by the National Oceanic and Atmospheric Administration. The report did not appear in a peer-reviewed journal but was reviewed by other NOAA scientists. “In fact, multiyear droughts appear regularly in the state’s climate record, and it’s a safe bet that a similar event will happen again,” he said. The persistent weather pattern over the past several years has featured a warm, dry ridge of high pressure over the eastern north Pacific Ocean and western North America. Such high-pressure ridges prevent clouds from forming and precipitation from falling. The study notes that this ridge — which has resulted in decreased rain and snowfall since 2011 — is almost opposite to what computer models predict would result from human-caused climate change. The NOAA report says midwinter precipitation is projected to increase because of human-caused climate change over most of the state. Seager said a low-pressure system, not a high-pressure system, would probably form off the California coast because of climate change.

From Atmpospheric scientist Dr. Fred Singer reported this on the California Snowpack: “The bountiful farms of the southern Central Valley of California depend upon moisture from the Sierra Nevada Mountains. Whether the moisture falls as snow or rain is not as important as the extensive reservoir system that is designed to capture it. The current drought in California is disturbing; but, historically, not unprecedented. The headlines based on a letter published in Nature claimed the Sierra Nevada snowpack is at a 500 year low. The headline writers did not bother reading the graphs accompanying the letter or the text.  The graph was based on instrument data dating to 1930, with measurements taken April 1. Prior data is based on proxy data from tree rings. The error range for the instrument data shows that the current low point was approximated in 1977. In the proxy data, there are about 11 years when the value was equaled or below the current value. Other studies counter the notion that California is experiencing unprecedented drought.”

AMS Journal study finds California drought is ‘not unprecedented’ over past 440 years: 9 other droughts as bad or worse – Published in American Meteorological Society journal – Study: ‘An analysis of the October 2013–September 2014 precipitation in the western United States and in particular over the California-Nevada region suggests this anomalously dry season, while extreme, is not unprecedented in comparison with the ~120-year long instrumental record of water year (WY, October–September) totals, and in comparison with a 407-year WY precipitation reconstruction back to 1571. Over this longer period nine other years are known or estimated to have been nearly as dry or drier than WY 2014. The three-year deficit for WY’s 2012–2014, which in the California-Nevada region exceeded the annual mean precipitation, is more extreme but also not unprecedented, occurring three other times over the past ~ 440 years in the reconstruction.’

NOAA Study: Causes of Calif. drought are natural, not man-made – Natural weather patterns and climate variability, not man-made global warming, are causing the historic drought that’s parching California, says a study out today from federal scientists. “It’s important to note that California’s drought, while extreme, is not an uncommon occurrence for the state,” said Richard Seager, report lead author and professor with Columbia University’s Lamont Doherty Earth Observatory. The report, “Causes and Predictability of the 2011-14 California Drought,” was sponsored by the National Oceanic and Atmospheric Administration (NOAA).

California drought: Past dry periods have lasted more than 200 years, scientists say – ‘The state has been parched for much longer stretches before that 163-year historical period began’ – Scientists who study the West’s long-term climate patterns say the state has been parched for much longer stretches before that 163-year historical period began. Through studies of tree rings, sediment and other natural evidence, researchers have documented multiple droughts in California that lasted 10 or 20 years in a row during the past 1,000 years — compared to the mere three-year duration of the current dry spell. The two most severe megadroughts make the Dust Bowl of the 1930s look tame: a 240-year-long drought that started in 850 and, 50 years after the conclusion of that one, another that stretched at least 180 years.’

E&E News on 2012 U.S. drought: ‘For the scientists who take the long view of history, it’s merely a climatological blip’ — 1930s ‘Dust Bowl & 1988 both eclipse 2012 drought, scientists say’ – ‘Scientists say [2012] drought is practically embryonic compared with severity & extent of others in America’s past…The Dust Bowl held on for as many as 8 years in some parts of Great Plains, with successive dry spells hitting in 1934, 1936 & 1939-1940. The multiyear drought of 1950s began in SW but eventually spread to cover 10 states before it ebbed in 1957. The current drought, in contrast, is just about 2 months old’

In addition, many other peer-‘reviewed studies and data refute the notion of unprecedented drought in California or elsewhere.

Extreme weather failing to follow ‘global warming’ predictions: Hurricanes, Tornadoes, Droughts, Floods, Wildfires, all see no trend or declining trends – Extreme weather at or near historic lows.

NPR: 3 new papers make the case that forest fires in the West today burn less than in historical times

New Research Confirms Human CO2 Not Causing A Global Drought Increase

New Research Confirms Human CO2 Not Causing A Global Drought Increase – ‘Droughts in the U.S. are more frequent and more intense during COLDER periods’

New study finds drought 1100 years ago in southwest US was much more severe & extreme than any drought since – Published in PNAS

New paper debunked: Claims AGW pushed the ‘Western US toward the driest period in 1,000 years’ – The claim that AGW has “pushed the Western US toward the driest period in 1,000 years” is not supported by the proxy data shown in the paper. In addition, the modeling claim that AGW will cause “unprecedented risk of drought in the 21st century” is entirely based upon overheated climate models which have been falsified at confidence levels exceeding 98%.
Hillary Clinton’s ‘Drought’ debunked: Claimed ‘climate change was causing extreme weather and droughts’

Climatologist Dr. John Christy in testimony to Congress: ‘Extreme events, like the recent U.S. drought, will continue to occur, with or without human causation’ — ‘These recent U.S. ‘extremes’ were exceeded in previous decades’ — ‘The expression of ‘worse than we thought’ climate change as documented in [James] Hansen’s OpEd does not stand up to scrutiny’

Prof. Pielke Jr. on new Nature drought study: ‘It means that a widely accepted and oft-repeated consensus position expressed in IPCC 2007 now appears to have been incorrect’ — Pielke Jr.: ‘This should not be unexpected as a consensus position is a snapshot of perspectives, and in science, perspectives can change based on new evidence and study…This places drought into a category with tropical cyclones, floods, tornadoes & other phenomena where the evidence does not support claims that things are progressively getting worse — with more frequent and intense extreme events on climate time scales’

Prof. Pielke Jr. on new Nature drought study: ‘Once again the lesson is that if you are looking for a signal of human-caused climate change, it is best not to look at such extremes’ — Pielke Jr.:’There is very little evidence to support claims that the influence of such changes can be observed
in the observational record of extreme events. Advocates who justify action on climate change by appeals to the latest extreme event go well beyond what science can support, and in the process undercut the very cause that they are advocating for’

Nature paper: Global droughts unchanged in 60 years: ‘Worldwide drought is about the same now as it was in 1950’ — ‘Researchers finally accounting for fact that warmer world usually means more evaporation (especially from oceans) & thus more rain’ — ‘How many images have we seen of drought-stricken cracked land, or been told this is future?…Since end of WWII humans have produced 85% of all their CO2 emissions, but here is a new study showing that for all those emissions, & for all that warming, droughts back then were just as bad globally as they are today’

Prof. Roger Pielke Jr.: Over the climate time scales ‘droughts have, for the most part, become shorter, less frequent, and cover a smaller portion of the U. S. over the last century’ — ‘Some places have become dryer, others wetter, and not much confidence in asserting the presence of any trends at the global scale.’ — Pielke Jr. summarizing the bottom-line conclusions of two of the most recent major scientific assessments of extreme events and climate change, one by the US govt. released in 2008 then reaffirmed in the CCSP Unified Synthesis under the Obama Admin., and the 2nd from the UN IPCC.

Article in Nature says extreme weather events can’t currently be attributed to global warming — An editorial published in the current issue of nature notes that ‘Better models are needed before exceptional events can be reliably linked to global warming.’ — ‘One critic argued that, given the insufficient observational data and the coarse and mathematically far-from-perfect climate models used to generate attribution claims, they are unjustifiably speculative, basically unverifiable and better not made at all.’

1974: Flooding, Drought, Crop Loss And Mild Winters Blamed On Global Cooling: TIME Magazine June 1974: ‘Another Ice Age?’: ‘In Africa, drought continues for the sixth consecutive year, adding terribly to the toll of famine victims. During 1972 record rains in parts of the U.S.,
Pakistan and Japan caused some of the worst flooding in centuries. In Canada’s wheat belt, a particularly chilly and rainy spring has delayed planting and may well bring a disappointingly small harvest’

1976 CIA Shock News: Global Cooling To Kill Us All – ‘The CIA warned in 1976 that global cooling will increase the frequency of droughts’

We have heard it all before! 1950 Shock News: ‘The world’s weather is just crazy’ — Strange Atmospheric Events Causing Floods, Droughts, Polar Melting, Global Warming
1975: Newsweek Explained How Global Cooling Causes Extreme Droughts, Floods, Dry Spells And Heatwaves -Global cooling ’causes an increase in extremes of local weather such as droughts, floods, extended dry spells, long freezes, delayed monsoons and even local temperature increases – all of which have a direct impact on food supplies’
Scientists reject notion that human-caused climate change led to war in Syria – ‘Human-influenced climate change impact on the drought conditions was almost certainly too small to have mattered’

Study: Drought Of 1934 In North America, During The Dust Bowl, Was The Worst In Thousand Years – ‘The drought of 1934 in North America was the driest and the most widespread of the last millennium, according to a new study based on a reconstruction of North America’s history of drought over the last 1,000 years. – Study published in the Oct. 17 edition of Geophysical Research Letters by researchers from NASA and Lamont-Doherty Earth Observatory.


  • After WWII when the politicians noticed the cooling that had been going on for a decade they used “glacier panic” to acquire more power, as if they could do anything about it. This is more of the same, but what they do not realize thanks to NASA, DEA and NOA faking the figures, which are now being corrected, we have been in another cooling cycle for ten years, about as long as it takes them to wake up. When will these worms turn?

    Google “Two Minute Conservative” for clarity.

  • Mervyn

    Here is another interesting point. How does one explain the fact that absolutely no mention of the greenhouse effect was made in a 1979 joint publication by the US National Academy of Sciences (NAS), the National Academy of Engineering, the Institute of Medicine, and the National Research Council, on behalf of the US government titled “Carbon Dioxide and Climate: A Scientific Assessment”?

    The NAS study was commissioned by the US government to address the very best science of the day on the role of carbon dioxide (CO2) in atmospheric physics.

    Irrespective of the contents of the report, it demonstrated that as at July 1979, the concept of a greenhouse effect as a factor on Earth’s climate was clearly non-existent. It took James Hansen in 1988, and the IPCC, to give life to the greenhouse effect, which underpins the IPCC’s supposition that CO2 from human activity is the key driver of climate change and is causing dangerous global warming. The problem is the greenhouse effect in the atmosphere is a myth because the atmosphere is actually earth’s cooling system, thanks to the principle of convection.

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  • derfelcadarn

    When will people realize that these are just some of the hobgoblins Mencken warned us about ?

  • Tom Robbins

    MORONS, money hungry weasels, the whole lot of them..well, and some drones that actually believe everything written in the press – you can walk this garbage back 200 years, with foolish men claiming the earth is either too hot or too cold – you know what is “just right” for this lot is political power, money, and shameful unethical, laughable, misuse of “Science” (as if it were one discipline in the first place). Ignorance is the greatest threat to this world..historically this goes round and round – history is not linear, with us “evolving” past greed and ignorance, it is cyclical, and gets worse with the power and populations of the globe.

  • Phil Bickel

    GISS temperature data shows virtually no warming for the last 21 years, and an increase from 1979, an extremely cool period, of only .4 degrees Centigrate. Climate alarmist prefer to use ground stations for their alarmism that are proven unreliable due to factors like runway expansion, and urbanization.

    Additionally weather historians claim that temperature data from the 1930’s is being to adjusted, based on spurious theories about accuracy. This is also known a “Climate Tricks” form the famous East Anglia E-Mails.

    Science is no longer about finding the truth, but supporting existing theories and protecting grant money.