Sunday, December 25, 2016

“Warm Arctic, Cold Continents”

This would also explain why northern Land masses are 1 degree Centrigrade lower than normal because the polar cold is bringing the land masses down in temperature because the warmer air from further south is now going north and the colder air from the north is traveling south more. This is also likely why the North pole melted out completely last winter one year ago around this time.

This also makes more sense regarding how there could be an ice age on land masses if enough precipitation comes down (some time in the next few hundreds years). So, in that case the arctic might be completely free from ice but there might be ice from the Sierras and Cascades all across the U.S. and possibly across Europe and China too.

 begin quote from:
“Warm Arctic, Cold Continents”
Oceanography The Official Magazine of
The Oceanography Society
Volume 26 Issue 04 View Issue TOC
Volume 26, No. 4
December 2013

Warm Arctic, Cold Continents: A Common Pattern Related to Arctic Sea Ice Melt, Snow Advance, and Extreme Winter Weather

Judah Cohen | Atmospheric and Environmental Research, Lexington, MA, USA
Justin Jones | Atmospheric and Environmental Research, Lexington, MA, USA
Jason C. Furtado | Atmospheric and Environmental Research, Lexington, MA, USA
Eli Tziperman | Department of Earth and Planetary Sciences and School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Article Abstract
Arctic sea ice was observed to be at a new record minimum in September 2012. Following this summer minimum, northern Eurasia and much of North America experienced severe winter weather during the winter of 2012/2013. A statistical model that used Eurasian snow cover as its main predictor successfully forecast the observed cold winter temperatures. We propose that the large melting of Arctic sea ice may be related to the rapid advance of snow cover, similar to the connection made in studies of past climates between low Arctic sea ice and enhanced continental snowfalls and glacial inception via ice sheet growth. Regressions between autumnal sea ice extent and Eurasian snow cover extent and Northern Hemisphere temperatures yield the characteristic “warm Arctic/cold continents” pattern. This pattern was observed during winter 2012/2013, and it is common among years with observed low autumn sea ice, rapid autumn snow cover advance, and a negative winter Arctic Oscillation. Dynamical models fail to capture this pattern, instead showing maximum warming over the Arctic Ocean and widespread winter warming over the adjacent continents. We suggest that the simulated widespread warming may be due to incorrect sea ice-atmosphere coupling, including an incorrect triggering of positive feedback between low sea ice and atmospheric convection, resulting in significant model errors that are evident in seasonal predictions and that potentially impact future climate change projections.
Citation
Cohen, J., J. Jones, J.C. Furtado, and E. Tziperman. 2013. Warm Arctic, cold continents: A common pattern related to Arctic sea ice melt, snow advance, and extreme winter weather. Oceanography 26(4):150–160, http://dx.doi.org/10.5670/oceanog.2013.70.
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