Cumulonimbus clouds in the sky over water. Cumulonimbus are large,turbulent clouds which carry rain or hail. The wedge-shaped mass of high cloud at upper centre is known as a hammerhead or thunderhead,and is a clear sign of an impending thunderstorm. Photographed in Finland | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / PEKKA PARVIAINEN |
Taille de l’image : | 5079 px × 3501 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |