VIDEO. “Unprecedented weather phenomenon!” : “In a few moments, everything turned white even though it was 7 degrees!”, a “snowstorm” fell on motorists on the highway

VIDEO. “Unprecedented weather phenomenon!” : “In a few moments, everything turned white even though it was 7 degrees!”, a “snowstorm” fell on motorists on the highway
VIDEO. “Unprecedented weather phenomenon!” : “In a few moments, everything turned white even though it was 7 degrees!”, a “snowstorm” fell on motorists on the highway

The roadway was covered in a white coat within minutes.

This Sunday, December 22, in the afternoon, a snow storm occurred between Burgundy and Seine-et-, temporarily covering the roadway of thehighway A5 of a white coat. “Unprecedented weather phenomenon for me! A snow storm! In a few moments everything went white even though it was 7 degrees! On the A5 between and Montereau a little before 3 p.m.“, writes a motorist at the forefront who did not fail to film and share his experience on X.

And #thunderstormud83cudf29ufe0f snowu2744ufe0f occurred between Burgundy and Seine-et-Marne this afternoon. With the drop in temperature as the grain passes (phenomenon of#isothermie), snow temporarily covered the road surface of the A5 motorway. https://t.co/1BsGecwAtz

— La Chaîne Météo (@lachainemeteo) https://twitter.com/lachainemeteo/status/1870854997430423718?ref_src=twsrc%5Etfw

This is a rare weather phenomenon which requires very specific conditions. “We need polar air, conducive to snow precipitation. But also humidity, which causes these storms”explained last month to Blue Maine Samy Villette-Chouieb, chief forecaster at Météo-France.

“Great vigilance” on the roads

As a reminder, this Sunday and Monday, Ain, Savoie, Haute-Savoie and Isère are placed on orange “snow-ice” vigilance by the national meteorological institute.

Motorists must demonstrate “great vigilance” on the roads, be equipped with winter tires and chains for access to certain mountain areas, while limiting the “the greatest” ltravel, recalled the Haute-Savoie prefecture in a press release.


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