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Increase in the number of extremely strong front over Europe?
http://www.bjerknes.uib.no/en/article/news/increase-extremely-strong-front-over-europe[font face=Serif][font size=5]Increase in the number of extremely strong front over Europe?[/font]
[font size=4]A new research finds an increase of strong and extremely strong fronts in summertime and autumn over Europe. If this is a trend or caused by climate change remains to be seen, according to lead author Sebastian Schemm.[/font]
Gudrun Sylte | Published 09.02.2017
[font size=3]Weather fronts are for good reason key elements on our daily weather chart. When they traverse from west to east across Europe they can bring vigorous weather changes, often in connection with high wind speed, gusts, heavy precipitation or often hail. The latter affects mostly continental Europe during the summer season and much less the Nordic countries.
In a recent study in Geophysical Research Letters Sebastian Schemm from the University of Bergen and the Bjerknes Centre for Climate Research, and co-authors from the University of Bern and ETH Zürich revealed an increase in the number of strong and extremely strong fronts over Europe mainly during summer and autumn. The study was also selected as as research highlight in Nature Climate Change.
…
No comparable trend is identified over continental North America. Because frontal precipitations increases with the strength of a front, this findings may help to better understand the high spatio-temporal variability of precipitation trends across Europe.
…
According to the IPCC AR5 report, humidity trends are significant over Europe but mixed or close to zero over parts of North America. This is in agreement with the trend in weather fronts. However, according to the lead author, it remains to be seen if the increase in the number of extremely strong fronts is tight to anthropogenic climate change or simply natural variability and part of a multi-decadal climate fluctuation.
…[/font][/font]
[font size=4]A new research finds an increase of strong and extremely strong fronts in summertime and autumn over Europe. If this is a trend or caused by climate change remains to be seen, according to lead author Sebastian Schemm.[/font]
Gudrun Sylte | Published 09.02.2017
[font size=3]Weather fronts are for good reason key elements on our daily weather chart. When they traverse from west to east across Europe they can bring vigorous weather changes, often in connection with high wind speed, gusts, heavy precipitation or often hail. The latter affects mostly continental Europe during the summer season and much less the Nordic countries.
In a recent study in Geophysical Research Letters Sebastian Schemm from the University of Bergen and the Bjerknes Centre for Climate Research, and co-authors from the University of Bern and ETH Zürich revealed an increase in the number of strong and extremely strong fronts over Europe mainly during summer and autumn. The study was also selected as as research highlight in Nature Climate Change.
…
No comparable trend is identified over continental North America. Because frontal precipitations increases with the strength of a front, this findings may help to better understand the high spatio-temporal variability of precipitation trends across Europe.
…
According to the IPCC AR5 report, humidity trends are significant over Europe but mixed or close to zero over parts of North America. This is in agreement with the trend in weather fronts. However, according to the lead author, it remains to be seen if the increase in the number of extremely strong fronts is tight to anthropogenic climate change or simply natural variability and part of a multi-decadal climate fluctuation.
…[/font][/font]