A new European heatwave dubbed Nero has raised the temperature above 0C at all of Italy’s glaciers, hastening their disappearance, and set a record for high-altitude heat in the Swiss Alps.
A weather balloon launched from Payerne in Switzerland registered the “zero-degree line” — the altitude at which the temperature falls to zero — at 5,298m, beating a previous record of 5,184m set last year.
https://www.thetimes.co.uk/article/alps-temperatures-rise-italy-heat-storm-2023-6rs950brd
