NHC: Tropical Depression Could Form This WeekMassive Haboob Blankets Phoenix In Dust, Causing Damage And Power OutagesTS Fernand Forms7.5 Magnitude Earthquake ReportedHurricane Erin Prompts Tropical Storm Warning In USHurricane Erin is ExpandingAnother System Forms Off Africa Behind Erin, Could Become FernandHurricane Erin Flexes Back To Category 4Hurricane Erin Roars Northwest as Cat 4 Storm, Affecting Florida CoastlineErin Downgraded, Remains Powerful HurricaneHurricane Erin Quickly Strengthens Into Monster Category 5 StormErin Strenghens Into Hurricane As Updated Models Show Its Projected Path