Hurricane Igor seen strengthening from space
15 September 2010 Last updated at 10:42 BST
Hurricane Igor has been pictured from the International Space Station as it passed over the northeast coast of South America.
The Category 4 storm has 150mph winds and is heading towards Puerto Rico and the Virgin Islands.
The hurricane was filmed from the space station on Monday and again on Tuesday as the storm gathered strength.
Footage and commentary provided by Nasa.