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Atmospheric warming leads to stratospheric effects and extremes of cold and hot weather

an increased number of sudden stratospheric warmings occur when the heat flux from the North Atlantic into the atmosphere is increased…...“This could mean that in Europe there will increasingly be periods lasting several decades with predominantly colder winters alternating with periods of warmer winters,”

Stratospheric Warmings: Meteorologists Identify Cause of Cold and Warm Periods  During Winter, ScienceDaily (Jan. 21, 2011) — Meteorologists at Freie Universität have found a correlation between warming in the stratosphere and cold or warm winter periods. They observed that there is an increased number of stratospheric warmings, when the heat flow from the North Atlantic into the atmosphere is increased. Trends for wintertemperatures can be derived from these new findings.
“This could mean that in Europe there will increasingly be periods lasting several decades with predominantly colder winters alternating with periods of warmer winters,” says Semjon Schimanke, who led the research, reported in the journal Geophysical Research Letters. The meteorologists expect that in the long term their research will help weather forecasters make more accurate predictions…..
With their new research, the meteorologists at Freie Universität have shown that the intermittent sudden stratospheric warmings are a consequence of the interaction between the North Atlantic, the troposphere, and the stratosphere. They found that an increased number of sudden stratospheric warmings occur when the heat flux from the North Atlantic into the atmosphere is increased……

Stratospheric warmings: Meteorologists identify cause of cold and warm periods during winter

January 23, 2011 - Posted by Christina Macpherson | Uncategorized