My Nomination for 2010's Unluckiest U.S. City Is:

Courtesy: CNN

Yazoo City, Mississippi. For the second time in seven months, a major tornado struck the city. The April tornado killed ten. Yesterday evening's tornado injured six.

UPDATE:  11:20am.  The tornado threat continues today over eastern Mississippi and western Georgia (including Atlanta). Major delays expected for flights to and from Atlanta. Here is the AccuWeather radar at 11:15am.