Storms and precipitation decreased in Switzerland at the beginning of summer due to an anticyclone
要点
- The number of lightning strikes recorded in Switzerland between 1 April and 12 July is at its lowest level since 2015.
- Anticyclonic conditions persisting since May prevent storm formation.
- In the last three months, precipitation in much of Switzerland remained at 30% to 60% of normal levels.
- Climate models predict that such dry weather conditions will occur more frequently in the future due to global warming.
数字で見る
MétéoSuisse data confirms that an exceptionally low number of storms were recorded in Switzerland during this summer period. The number of lightning strikes between 1 April and 12 July dropped to its lowest level since 2015 for the same period.
The main cause of this situation is a persistent anticyclone (high pressure) system that has been affecting Western Europe since May. This system prevents moist westerly winds coming from the Atlantic, causing air masses to remain dry and stable.
These weather conditions lead to a marked drought and precipitation rates well below normal across the country. In the context of climate change, MétéoSuisse predicts that hotter and drier summers in the future will increase the risk of drought in soils.
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よくある質問
- Why are there so few storms in Switzerland?
- The dry and stable anticyclonic weather conditions prevailing over Western Europe since May prevent the moisture and instability necessary for storm formation.
- What is the status of precipitation rates in the country?
- Over the last three-month period, the amount of precipitation in a large part of Switzerland was realized at only 30% to 60% of normal period averages.
- What trend will this weather show in the future?
- Climate models predict that summers will be hotter and drier due to climate change; therefore, such drought and anticyclone situations will be experienced more frequently.
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