Continental Europe has heated up.
Last week, the highest temperature in Spain rose to 45.7 degrees and Portugal to 47 degrees.
Britain, France and Germany are also above 40 degrees.
It’s hot just listening to it.
Due to the heat wave, 21 European countries have even issued emergency warnings.
The blocking phenomenon is pointed out as the cause of the heat wave.
A huge anticyclone stays for a long time and stagnates the air flow.
This is called ‘blocking’ because it completely obstructs airflow.
Let’s look at the map and explain.
There is now a low pressure in the Atlantic Ocean.
This low pressure rotates counterclockwise, pushing hot air from the African continent toward Western Europe.
On the continent of Europe, you can see a huge anticyclone.
Hot air from Africa is blocked by this high pressure and cannot escape.
It’s getting hotter as the heat rises from the hotter surface again.
When it gets hot like this, it makes me think of when it cools down.
The variable is the jet stream.
A jet stream is a strong wind that blows with a temperature difference.
It blows between polar regions such as the North Pole and Antarctica, where the weather is cold, and the warm equatorial regions.
When the jet stream flows well, you can meet normal weather.
If the Arctic temperature rises due to global warming,
The power of the jet stream is weakened and it becomes this serpentine shape.
Eventually, continental Europe was trapped in a blocking high pressure as it lacked the power to push the hot air layer away.
Experts warn of climate change caused by global warming.
The UK Meteorological Agency even warned that heat waves like this would come every three years if there were no carbon emission measures.
YTN Um Ji-min ([email protected])
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