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Sunday, December 14, 2014

Scientific studies and information concerning the cooling NH winter trends

The pause in global warming, which is most evident from 1998-2014 (present) is actually due to a cooling trend for NH winters (boreal winter), which is most evident in January and February, which have such strong cooling trends, those two months alone bring the annual global mean down to an almost flat trend. Here it is in scientific lingo.
The largest discrepancy between observed and simulated trends in cold extremes is found in the Northern mid-latitudes (20 °N–45 °N), where observations indicate a coherent zonal band of decreasing trends over the recent 15 years. This might be connected to the recent hiatus in the warming of global Tmean, which has been characterized mainly as a winter phenomenon (e.g., Kosaka and Xie 2013, Cohen et al 2012). (source)
Observed and simulated temperature extremes during the recent warming hiatus (archived here)
Complete paper here (full paper pdf)

Shortwave and longwave radiative contributions to global warming under increasing CO2 (full paper pdf)

Trends in hemispheric warm and cold anomalies (full paper pdf)

Recent Arctic amplification and extreme mid-latitude weather (full paper pdf)

Arctic warming, increasing snow cover and widespread boreal winter cooling (full paper pdf)

Decadal Fluctuations in Planetary Wave Forcing Modulate Global Warming in Late Boreal Winter

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