Tropical Storm Melissa formed on Tuesday and is expected to bring catastrophic flooding to Jamaica, Cuba and Hispaniola later this week. AccuWeather Lead Hurricane Expert Alex DaSilva breaks down the latest. http://bit.ly/47ARjoP | AccuWeather

Water levels on portions of the Mississippi and lower Ohio rivers have dropped low enough to significantly hinder shipping across the inland waterway system. | AccuWeather

Severe storms with heavy rainfall and strong winds blasted parts of Arizona, turning roads into rivers, damaging buildings, and uprooting trees. | AccuWeather