Isaac, a slow-moving storm, hit the Gulf Coast as a category 1 hurricane on August 28, 2012.
Image of the Day Atmosphere Severe Storms
Super rapid scan images of Hurricane Isaac taken from geostationary orbit reveal the movement of clouds at different altitudes.
Severe Storms
After making landfall, Hurricane Issac has reverted to tropical storm status.
Atmosphere Severe Storms
The storm was expected to make landfall on the anniversary of Hurricane Katrina, while marching straight up the Mississippi River basin.
Image of the Day Atmosphere Water Severe Storms
Special sensors observe the storm by moonlight.
Atmosphere Severe Storms Human Presence
Acquired August 27, 2012, this natural-color image shows Tropical Storm Isaac over the Gulf of Mexico, headed for the mouth of the Mississippi River.
Atmosphere Water Severe Storms
These color-coded images show the precipitation rates and storm structure of Tropical Storm Isaac on August 24, 2012.
Acquired August 23, 2012, this image shows Tropical Storm Isaac over the Caribbean Sea.