IPCC will ignore hiatus in global warming until it has gone on for 30 years!

I have been watching the IPCC press conference and it seems to me that they were very much on the defensive:

  1. they felt that had no option but to mention the hiatus in global warming,
  2. they decided to underplay its significance along a number of fronts
    • the period was too short
    • hiatus was not significant untill it had existed for 30 years
    • 1998 was a very special El Nino year
    • the intervening period had other factors (volcanic activity for example) which could have contributed to cooling
  3. they have rejected the very high sea level rise scenarios but assign no probability because there is no consensus
  4. they are following the line that “it is not important to know where we are now because we are certain about where we will end up in 20 or 30 years”
  5. sensitivities is an emerging subject and there is no consensus
  6. it is still correct to follow the one dimensional greenhouse gas view of global warming.

All in all a rather predictable performance ¬†with a clear task of “protecting the models”.

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