URL for Weather radar for storms in both north and South America at once

http://wwwghcc.msfc.nasa.gov/cgi-bin/post-goes

I was looking for this sort of weather radar that included south America as well as north America. The URL is  satellite feed through one of the NASA satellites I believe. Just as it is the height of winter in the U.S. and Europe it is also the Height of Summer in South America.