Update: Will Tropical Storm Danny 2015 path threaten Florida as hurricane …

Tropical Depression 4 strengthened into Tropical Storm Danny late on August 19, as NASA's Aqua satellite passed overhead and took its "temperature." That is, infrared data from the AIRS instrument aboard measured cloud  Tropical Storm Danny gained some strength and speed overnight and could reach the Leeward Islands in the eastern Caribbean early next week. … Read more