Severe supercell thunderstorms across France and S-CNTRL UK – July 19, 2014

Strong supercell thunderstorms hit France and the UK yesterday afternoon and evening. High instability and a strongly sheared environment combined to produce discrete supercell thunderstorms along the cold front over SW-CNTRL-NE France and S-CNTRL UK. A detailed forecast was issued in the early afternoon. Here is a compilation of some of the best photos of supercells over France and UK yesterday afternoon and evening.

Amazingly structured supercell over central France. Photo: Alex Rivet.

Supercell near Issoudun, France . Photo: Nicolas Gascard via Keraunos Observatoire.

Supercell near Bourges, France. Note the RFD cut and funnel cloud, possibly a tornado! Photo: Vincent Deligny via La passion avant tout!.

Supercell between Cher and Nièvre, France . Photo: Oliver Ferreux via Keraunos Observatoire.

Very large hail in Saint-Valery-en-Caux, Normandy, France. Photo: InfoMeteoTuit.

Supercell in Normandy, France . Photo: Thibault Cormier via Keraunos Observatoire.

Supercell over Roye, NE France. Photo: Fastowarn and Chase2BE.




Another well-structured supercell, this one over Drayton, UK. Photo: Lee Phillips.

Supercell with wall cloud crossing the highway near Oxford, UK. Photo: Malcolm Yarnell.

Large hail in Marmagne, France. Photo: Catherine Loret via Meteociel.

Supercell over Normandy, France. Photo: Thibault Cormier via Keraunos Observatoire.

Large hail in Dordogne, France. Photo: Catherine Loret via Keraunos Observatoire.

Large hail in Dordogne, France. Photo: Catherine Loret via Infoclimat.

This region was issued a MDT risk area in Day 1 severe weather outlook for today. This was the second day in a 4-day active pattern over CNTRL Europe and CNTRL-E Mediterranean/Balkans.