A number of visually impressive and severe prefrontal supercells formed over eastern Slovenia and northeastern Croatia on July 23 – 27, providing storm chasers with with another excellent chasing opportunity. The first supercell in the selection below produced large hail up to 4 cm diameter near Ptuj, E Slovenia.

Supercell near Slovenska Bistrica, Slovenia on July 24. Photo: Jure Atanackov.

Supercell over Dravsko polje, Slovenia on July 24. Photo: Robert Dolničar.

Supercell near Zagreb, Croatia on July 24. Photo: Bruno Fantulin.