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Daemon
Posted: Thursday, November 9, 2017 12:00:00 AM
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heat wave

A period of time in which the weather is unusually and persistently hot. More...

KSPavan
Posted: Friday, November 10, 2017 1:44:27 AM

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Idiom of the Day
heat wave — A period of time in which the weather is unusually and persistently hot.
raghd muhi al-deen
Posted: Friday, November 10, 2017 6:07:11 AM

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a period of time in which the weather being unusually hot

with my pleasure
coag
Posted: Friday, November 10, 2017 10:48:58 AM

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Today's idiom reminded me of this Heatwave.
monamagda
Posted: Friday, November 10, 2017 2:59:50 PM

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Location: Bogotá, Bogota D.C., Colombia



While mean summer temperature in the Northern Hemisphere has increased by 0.21°C per decade between 1951 and 2015, the increase was 0.46°C per decade for Europe.

This rise in mean European summer temperatures has contributed to the intensity of recent European heat waves, like the ones in 2003, 2010, and 2015. What if climate had remained as it was in the mid-20th century, in terms of the number of hot days? This was analysed for temperature records of 14 climate stations across Europe.

If Europe’s climate hadn’t changed since the 1950’s, the number of hot days with a maximum temperature of over 30°C would have been 10 to 25 per cent less. The number of hot days over 35°C would have been 25 to 50 per cent less, according to this study. This serves to illustrate that climate change is not simply a matter of gradual shifts in mean values, but also of strong increases of the frequencies of extremes. As a result heat waves are becoming more extensive and prolonged, with stronger impacts on society.

The article first appeared on Climate Change Post and is a digest of a scientific paper by Beniston et al., 2017. Environmental Science & Policy 67: 27-34.

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