Tropical Storm Lee formed over the Gulf of Mexico in early September 2011 and threatened southern Louisiana with heavy rain. The storm also caused heavy rain in the U.S. Northeast.
These images from September 12, 2011, and September 2, 2010, compare conditions in the Hudson River near Ellis Island. In the wake of storms, sediment filled the river in 2011.
One week after Hurricane Irene battered the eastern U.S., a less-touted, more plodding storm soaked the eastern half of the country with more rain than its predecessor.