Hurricane Isaac from NOAA's GOES-13 satellite

This visible image of Tropical Storm Isaac taken from NOAA‘s GOES-13 satellite shows the huge extent of the storm, where the eastern-most clouds lie over the Carolinas and the western-most clouds are brushing east Texas.   Image Credit: NASA GOES Project

Hurricane Isaac from MODIS on NASA’s Terra satellite

The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite, captured this image of tropical storm Isaac in the Gulf of Mexico, on August 28, 2012.   NASA image by Jeff Schmaltz, LANCE/EOSDIS Rapid Response. Caption by Michael Carlowicz.

A category 1 storm, Hurricane Isaac approached the Louisiana and Mississippi coasts on the seventh anniversary of Hurricane Katrina. Hurricane watches and warnings were posted from Intracoastal City, Louisiana, to the Mississippi-Alabama border.

The storm was moving northwestward toward the mouth of the Mississippi River at 10 miles (17 kilometers) per hour, with maximum sustained winds of 75 miles (120 kilometers) per hour. Hurricane-force winds extended 60 miles (96 kilometers) from the center.

Hurricane Isaac map

via earthobservatory