This storm was raging at the South Pole incandescent solid planet. And he was captured by an infrared spectrometer spectral Infrared Thermal Imaging Spectrometer.
Such storms occur periodically on Venus at an altitude of about 70 kilometers above the planet’s surface. They may reach speeds of 400 km / h.
The Spacecraft Venus Express was launched in November 2005 and entered orbit around Venus in April 2006. Automatic interplanetary station studying Venus, the dynamics of the atmosphere and its interaction with the solar wind.