Automatic calculations from a numerical model, using the gliding textbook method: the air parcel starts at the surface with the forecast 2 m dew point and the 2 m temperature plus one degree, like a thermal leaving the ground. The Belluno valley is narrow and the model sees it at a resolution of a few kilometres: the numbers are a guide, not a measurement. The official bulletins prevail.

Data: Open-Meteo.com (CC BY 4.0), model chosen by Open-Meteo for the point (over the Alps the DWD ICON models).

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