Clouds and dust storm over Sahara
auteur: Nasa/Novapix
référence: t-nua04-00083
Image Size 300 DPI: 36 * 24 cm
This photograph was taken on September 8, 2014, from the International Space Station. The ISS was over Libya at the time, and the astronaut was looking south-southwest over a storm that stretched hundreds of kilometers across the sand seas of the Sahara. In the photo, winds appear to be coming out of the east or northeast (left), and the sun is setting to the west (right in this image). Billowing cumulus and cumulonimbus clouds suggest that a cold, windy front was moving across the desert, perhaps a haboob. The African land surface was almost completely blocked from view by the thick dust; even the lower portions of some clouds were obscured.