Alberto isn't the only weather event that's causing trouble for the U.S. And in a short of period on Sunday, more than nine inches of rain fell on some parts of the eastern state of Maryland.
Indian officials say some parts of Kerala received more than twice the amount of rainfall that they usually do, and that's caused the worst flooding the state has seen in almost a century.
But they said on Sunday that some computer models were showing potential for coastal flooding and as much as half a foot of rain for New England, that could take place about mid-week.
Others say its area naturally fluctuates depending on the amount of rainfall at its borders and that a drought in the late 20th century only made it look like the Sahara had grown.