Composite image of tropical cyclones Olwyn, Nathan, Bavi and Pam, generated at 12:00 UTC on 12 March 2015. For further alerts or advisories on these and other tropical storms, visit the GDACS web site. Composite image, comprising infrared data from the geostationary orbiting satellites of EUMETSAT and the JMA. Infrared data overlays a computer-generated model of the Earth, containing NASA's Blue Marble Next Generation imagery. Image free to use, providing the following attribution statement is displayed "Copyright: 2015 EUMETSAT" See more examples of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites.