Fantastic Pictures of a Cumulonimbus Cloud

September 8, 2014 Cumulonimbus cloud over LogroƱo La Rioja by Meteosojuela

Cumulonimbus clouds "mushrooming" over La Rioja with the arrival of Autumn by Meteosojuela

Amazing pic of cumulonimbus exploding from a sea of ​​towering in La Rioja by Meteosojuela