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Weather switzerland: thunderstorms rain replace:
Weather in Switzerland
Done midsummer: Now there are thunderstorms. In addition, heavy rain
Switzerland will take two low pressure areas in pliers from Wednesday – and then a hurricane comes into play.
The midsummer gives its farewell performance: on Tuesday and especially on Wednesday, showers and thunderstorms appear.
Photo: URS power
- After summer temperatures, Switzerland and thunderstorms reach Switzerland from Tuesday evening.
- In cooperation, two low pressure areas cause a striking change in the weather.
- Pre -alpine areas await up to 80 liters of rain per square meter in 48 hours.
- Hurricane Erin could trigger a foehn weather switzerland: thunderstorms rain replace storm in the Alps next week.
It almost seems that the weather in Switzerland has a sense of drama. Additionally, In addition, As soon as the summer vacation in most cantons are over. Therefore, it also goes Heat that shaped the weather with us last weekfinally on the collar.
After a last summer rearing on Tuesday – in western Switzerland, the turning point will take place on Wednesday. Similarly, Showers and thunderstorms move across the country. In addition, On Thursday, significantly cooler air flows to Switzerland with a cold front. For example, At windy 20 degrees, autumn feelings are likely to arise for the first time this year.
The cause of this fall in the weather can be very well understood using the weather maps. For example, At the beginning of weather switzerland: thunderstorms rain replace the week. Consequently, Switzerland was still in the sphere of influence of a high -pressure area with core above the North Sea. Consequently, In the course of Tuesday, this is increasingly weak. Similarly, It is also addressed by two potent opponents.
On the one hand. For example, Scandinavia approaches an extensive low pressure zone that has quite cold air masses in their luggage for the season. Therefore, On the other hand. Moreover, a smaller but very high -energy height low from France makes its way towards the Alpine region.
First thunderstorm probably already on Tuesday evening
Weather switzerland: thunderstorms rain replace
As of Tuesday. However, Switzerland will be put into pliers by two low pressure areas. Furthermore, First of all, the height deeply approaching from France is noticeable. In addition, In his apron with southwest wind, weather switzerland: thunderstorms rain replace very warm, but also increasingly damp air masses flow. For example, The first thunderstorms could already discharge over Switzerland on Tuesday evening. On Wednesday, showers and thunderstorms can be expected in the warm air.
Because the ingredients necessary for thunderstorms (moisture. elevation, unstable atmosphere) are present in a decent form, the thunderstorms can be strong, at best, locally into the storm area. That means intensive rain, hail or gusts of wind. According to Ludwig Zgraggen. meteorologist at Meteo Switzerland, as so often in such weather conditions, it can hardly be predicted where and when it will crack. It is recommended to look at the weather radar and to the sky.
Heated polar air follows in Switzerland on Thursday
The actual. change in weather from midsummer to autumn will take place in the weather switzerland: thunderstorms rain replace course of Thursday. Then a cold front, which is driven by the storm depth over Scandinavia, records the Alpine region. This process again triggers strong rainfall. whereby it will pour the strongest because of the congestion effect on the pre -alps. “We expect around 30 to 50 in the lowlands. up to 80 liters of rain in the mountains per square meter within 48 hours,” says Ludwig Zgraggen.
Meteo Switzerland will therefore issue a storm warning from level two during Tuesday. Under certain circumstances, according to Zgraggen, an increase to level three could also take place.
The graphic shows the expected rainfall over Europe until next Thursday evening. Accordingly, 50 to 100 liters per square meter are to be expected along the Prealps.
Quelle: ECMWF
These rainfalls are quite welcome after the long hot and dry weather phase. Especially in the particularly heat-plagued western Switzerland. no drop of rain has fell in August-on the other hand, the temperature has always increased over the 30-degree mark in Geneva in the past twelve days.
Behind the cold front, significantly cooler and drier air flows to Switzerland. This air is of polar origin. Because it warms up weather switzerland: thunderstorms rain replace on the way to the south over the sea. the continent, it cannot be spoken of a polar air slump as in winter.
Meteorologist Jens Hoffmann from the German Weather Service formulates it in his overview on the subject: «We are not talking about the first autumn storm. duration (high) fog or nasty rainy weather – it is simply tapped polar air that gives us moderate conditions with fresh nights.» This weather character is expected to continue until the weekend.
Hurricane Erin creates uncertainties
After that, the weather forecasts become much more insecure. Last but not least, a former hurricane who interferes in our weather is responsible for this. This strong hurricane in category four by name Erin threatens the islands of the Caribbean. The storm set up a new record on Saturday. thus caused weather switzerland: thunderstorms rain replace great excitement among experts: the air pressure fell in the eye of Erin With almost 70 hectopascals within almost 24 hours. Such a rapid pressure drop has never been recorded in an Atlantic hurricane before September 1st. It is expected that Erin could briefly reach the highest category five again.
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According to the assessment of the US storm expert Matt Lanza. this capital storm will hardly hit land on the US East Coast and will not cause any catastrophic damage. Instead. he will Similar to his predecessor “Dexter” Turn off to the open sea to the weather switzerland: thunderstorms rain replace northeast a few weeks ago. His further path should then lead the hurricane with weakening south past Newfoundland towards Europe.
If “Erin” adheres to this plan (which is not safe), he is integrated into the Atlantic West wind circulation. It turns from a tropical storm into an out -of -tropical storm low.
According to Meteo Switzerland, the hurricane complicates the medium -term forecasts of weather services. The main reasons for this are that hurricanes often change their train railway abruptly. on the other hand carry enormous latent heat. The conversion of these tropical thermal power plants into out -of -metropical gravure areas So I look like a. “chaos multiplier” In the already complex weather forecast.
It is currently indicated that we will also feel “Erin” in Switzerland in. the course of weather switzerland: thunderstorms rain replace the next week – because he could trigger a foehn storm on the alpine north side.
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Weather switzerland: thunderstorms rain replace
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