Tropical Storm Hanna
Tropical Storm Hanna. Image credit: NASA/JPL
Tropical Storm Hanna follows in Gustav's footsteps, affecting Haiti and the Dominican Republic in this Sept. 2 afternoon infrared image from NASA's Aqua satellite. Hanna is expected to become a hurricane tomorrow and may affect the entire U.S. eastern seaboard by this weekend.

To learn more about Hanna, visit NASA's hurricane site at:

http://www.nasa.gov/mission_pages/hurricanes/archives/2008/h2008_hanna.html .

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