Hurricane Arthur is forecast to strengthen and graze or strike the Outer Banks of North Carolina tonight as a Category 2 hurricane.
Image of the Day Atmosphere Heat Severe Storms
Acquired August 3, 2010, this natural-color image shows Tropical Storm Colin north of eastern South America.
Atmosphere Water Severe Storms
Severe Storms
Acquired August 23, 2010, this natural-color image shows Tropical Storm Danielle over the Atlantic Ocean.
Acquired May 19, 2012, this natural-color image shows Tropical Storm Alberto off the South Carolina coast.
Image of the Day Land Water Severe Storms
Acquired August 27, 2010, this natural-color image shows Tropical Storm Earl over the Atlantic Ocean.
The MODIS instrument on NASA's Terra satellite captured this natural-color image of Tropical Storm Hermine as it crossed from the Gulf of Mexico into Texas on September 7.