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Antoine's Forecast

todaySunday, August 30

Machine translation Read Antoine's original, in French →

We are between two situations

Switzerland is between the disturbed Westerly flow circulating between England and Scandinavia and a high pressure over the Mediterranean. Sunday will be sunny with cirrus and cumulus formations. Some cumulus could overdevelop later in the day.

Wind

The wind will be light to moderate from the Southwest sector. For the 2000-3000 metres layer we're talking 10 to 30 km/h in the morning and 20 to 30 km/h in the afternoon.

Thermal

Not great with the wind at altitude.

Clothing

0°C isotherm at 3800 metres. At Crêt-du-Midi between 12 and 15°C

Dangers

As a danger I see: - Wind at altitude - Instability later in the day (big cumulus) - Valley wind.

Info

- TMA Sion inactive, but watch out because that doesn't mean there are no planes. - The Chalais-Vercorin cable car is out of service until early December.