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WEATHER

Weather: Switzerland prepares for ‘record-breaking’ hot summer

The hot weather of the past week makes us wonder what the summer months will be like in Switzerland. Will we walk around in shorts and flip-flops or thermal underwear and boots? Find out what the experts say.

Weather: Switzerland prepares for 'record-breaking' hot summer
In extreme heat, sea, lake or any other body of water can be a lifesaver. Photo by Oleksandr Pidvalnyi / Pexels

It has been hot in much of Switzerland over the last few days, with temperatures exceeding 30 degrees in some parts of the country.  But this is just a ‘foretaste’ of what lies ahead.

While this week is expected to be a bit cooler — more seasonal lower 20s —forecasts for the summer months call for even more intense heat.

“It will be hotter than usual,” according to Thomas Buchel, head of SRF Meteo.

“New heat records are very likely. It would be surprising if it went in another direction”, he said.

While it is too early now to predict just how hot it will get, the temperatures in certain Swiss regions “could hit 40 degrees”, Buchel pointed out.

This is close to this century’s previous “hottest” summer on record — 41.5 degrees measured in Grono, Graubünden 2003.

Another meteorologist, Joshua Gehring from the official weather service MeteoSwiss, said hotter weather “is a direct consequence of climate change”.

Specifically, a phenomenon called “heat dome” is hovering over Europe. It is, according to Gehring, “a stagnant anticyclone that acts as a lid to accumulate and retain heat”.

READ MORE: Heatwave: Why is it so hot in Switzerland right now?

But the environment is not the only one that is “suffering”, as it were, from this phenomenon.

According to 20 Minutes, “nearly 400 million francs are lost each year in Switzerland due to the heatwave and the drop in productivity that it causes in companies. That’s twice as much as the seasonal flu”.

“What is ideal for swimming or barbecuing cripples the economy. When working outdoors, performance drops quickly at such high temperatures”.

The Federal Office of Meteorology (MeteoSwiss) confirmed the dangers of extremely high temperatures on humans and nature alike.

“Periods of hot weather place extreme stress on the human body and can endanger health. Among other things, they can trigger cardiovascular and respiratory conditions and impair mental and physical performance”, MeteoSwiss writes.

“A hot spell can also have adverse effects on nature and infrastructure. For example, bodies of water often heat up considerably, causing fish to die, while high temperatures can lead to buckling of road surfaces and deformation of railway tracks”.

READ MORE: EXPLAINED: How the climate crisis is hitting Europe hard

So if you are a summer enthusiast and thrive in hot weather, you can look forward to sizzling temps.

But f you are more of a “cold” person, this article from April of this year may bring back fond memories:

Winter weather to continue in Switzerland this week

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WEATHER

What’s next after Switzerland’s ‘extremely worrying’ heatwave?

Switzerland hit record high temperatures for June for the first time in 75 years on Sunday but what's the forecast for the coming days and weeks?

What's next after Switzerland's 'extremely worrying' heatwave?

With 36.9C recorded in Beznau, in the canton of Aargau on Sunday, Switzerland equalled the high temperature record held by Basel since 1947.

Other Swiss towns experienced sweltering temperatures as well: In Neuchâtel the mercury rose to 36.5C, in Sion it hit 36.4C and  in Lausanne it was 32.6C, according to MeteoNews.

Temperatures were decidedly more pleasant at high altitudes in the mountains: the temperature of 16.9C was recorded at 2,900 metres in the shade on the Diablerets glacier.

Whilst lower down at the Moléson in Fribourg, which stands at 2,000 metres, a more seasonal 24 degrees was recorded.

Like its neighbours, “Switzerland is not immune to brief and extreme phenomena”, climatologist Martin Beniston, honorary professor at the University of Geneva, said in an interview with Tribune de Genève.

And if high temperatures continue — as they are forecast for next days — “the very dry ground will reinforce the warming, it is a vicious circle”, said Vincent Devantay, meteorologist from MeteoNews.

This means higher risk of fires, especially in the forest. “They have really dried up compared to last year. The lack of rain is becoming extremely worrying”, he pointed out.

Thunderstorms are predicted in parts of Switzerland towards the end of the week but they will not necessarily prevent the drought, Beniston said.

What the soil needs are “gentle showers, repeated, for two to three weeks”, rather than occasional heavy thunderstorms that don’t provide enough moisture for the earth’s deeper layers.

Continued rains are not expected in the immediate future and  forecasts for the summer months predict more intense heatwaves.

READ MORE: How this week’s heatwave will hit Switzerland and how to stay cool

What are the consequences of the heatwave and no rain?

As The Local already reported, Swiss glaciers are now melting faster than usual, partly due to the early heat wave in May.
 
READ MORE: Why Switzerland’s glaciers are melting faster than usual this summer

But there is more.

Hydrologist Massimiliano Zappa, also warns that current very high temperatures and no rain could speed up the drought across Switzerland, especially as Swiss rivers and streams “have a lower flow than the average of previous years”.

Water rationing could become inevitable, he said.

 “In Spain and southern Italy, for example, people know how to get by with little water, because they have been educated to meet their daily needs with less. But this is not part of Swiss mentality”, Zappa said.

The heat wave could also impact railway installations as well as electronic devices, according to Le Temps newspaper.

“Overheated smartphones, expanding rails, and computer fans running at full speed: high temperatures put a strain on infrastructure and our everyday objects, while requiring more energy”, Le Temps said.
 

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