Dozens of schools were closed on Friday after Storm Goretti brought thundersnow and travel disruption to Wales. An amber weather warning for heavy snow was in force for the south Wales valleys, mid and north Wales, until 09:00 GMT on Friday.

There are areas of unstable snow in several locations near the top of Yr Wyddfa, said the Llanberis Mountain Rescue Team.

The weather event is so rare that meteorologist Jim Cantore can barely contain his excitement when he's recorded in viral videos witnessing it.

Thundersnow is possible, but it is pretty rare. The reason has to do with the conditions needed for lightning to form in a system.

Thundersnow that happens when thunder and lightning occur during snowfall. The rare weather event can be helpful for predicting a larger storm. Less than one percent of all snowstorms are associated with thunder, according to ABC News. They require just ...

Thundersnow has been observed most often in Northeast Ohio’s primary snowbelt, including parts of Lake, Geauga, Ashtabula and eastern Cuyahoga counties. What does thundersnow look and sound like? Lightning during thundersnow often appears dimmer or ...

France, has emerged as a significant weather system over northwest Europe with a warning in place for some Irish counties today

The Met Office has said: ‘Storm Goretti will bring a period of exceptionally strong northwesterly winds to the Isles of Scilly and parts of Cornwall on Thursday evening, with peak gusts of 80-100 mph or more in exposed areas.