Thursday, 7 May 2015

Global Temperatures Plateau now 18 years and 5 months

Every time the GWP (Global Warming Plateau) is mentioned, the shrill alarmists try to deny that the plateau exists.

For example, ABC's Environment reported Michael Mann of the fraudulent "Hockey Stick" saying:
"There certainly has not been a hiatus in global warming — global warming hasn't stopped, even though you still hear those contrarian talking points."

Why, if the plateau didn't exist, would the Shrill need to come up with 66 different excuses to explain the cause of the  temperature plateau?

            66 excuses for the 18-26 year 'pause' in global warming (Hockey Shtick)

Now, Climate Depot and Christopher Monckton report the latest data from RSS. (LINK)
'Since December 1996 there has been no global warming at all...A new record length for the Pause: 18 years 5 months.' 
'It remains possible that el Nino-like conditions may prevail this year, reducing the length of the Great Pause. However, the discrepancy between prediction and observation continues to widen.'
The least-squares linear-regression trend on the RSS satellite monthly global mean surface
temperature anomaly dataset shows no global warming for 18 years 5 months since December 1996.
The hiatus period of 18 years 5 months, or 221 months, is the farthest back one can go in the RSS satellite temperature record and still show a sub-zero trend.
The divergence between the models’ predictions in  2005 (below), - the observed outturn continues to widen.

Lord Monckton reports the following key facts about global temperature:
  • The RSS satellite dataset shows no global warming at all for 221 months from December 1996 to April 2015 – more than half the 436-month satellite record.
  • The global warming trend since 1900 is equivalent to 0.8 Cº per century. This is well within natural variability and may not have much to do with us.
  • Since 1950, when a human influence on global temperature first became theoretically possible, the global warming trend has been equivalent to below 1.2 Cº per century.
  • The fastest warming rate lasting 15 years or more since 1950 occurred over the 33 years from 1974 to 2006. It was equivalent to 2.0 Cº per century.
  • In 1990, the IPCC’s mid-range prediction of near-term warming was equivalent to 2.8 Cº per century, higher by two-thirds than its current prediction of 1.7 Cº/century.
  • The global warming trend since 1990, when the IPCC wrote its first report, is equivalent to below 1.4 Cº per century – half of what the IPCC had then predicted.
  • Though the IPCC has cut its near-term warming prediction, it has not cut its high-end business as usual centennial warming prediction of 4.8 Cº warming to 2100.
  • The IPCC’s predicted 4.8 Cº warming by 2100 is well over twice the greatest rate of warming lasting more than 15 years that has been measured since 1950.
  • The IPCC’s 4.8 Cº-by-2100 prediction is almost four times the observed real-world warming trend since we might in theory have begun influencing it in 1950.
  • The oceans, according to the 3600+ ARGO bathythermograph buoys, are warming at a rate equivalent to just 0.02 Cº per decade, or 0.23 Cº per century.
  • Recent extreme weather cannot be blamed on global warming, because there has not been any global warming to speak of. It is as simple as that. 

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