Greenland surface air temperature trends, including at the Summit site, have not
shown persistent warming since 1930 in contrast to global average surface temperature (23).
Not exact matches
Thus, modeling exercises have for decades now
shown some pretty
persistent patterns of recurrence, such as drying trends under
warming in certain areas (notably the Mediterranean basin, including the Middle East) and the American Southwest — patterns we see in the real world.
The only
persistent warming rate is only 0.06 deg C per decade, as
shown here = > http://bit.ly/Aei4Nd
Day after day
showed extraordinarily
warm temperatures, due to a
persistent and extreme jet stream anomaly.
Last winter also
showed a change from the previous two winters when cold plunges over the USA distorted the jets and gave us
persistent warm wet south westerlies so we did not then share in the general slow cooling trend.
Historical analysis
shows that for large parts of evolution the earth was dramatically
warmer and that it is relatively recent that we have had
persistent long term ice ages that have covered the earth in snow and ice and left 50 % or so of the surface of the earth harsh and deadly to life.