Marco makes landfall, but it's Tropical Storm Laura that has Gulf residents really nervous
By Holly Yan & Madeline Holcombe
2 Tropical Storms Expected To Hit Louisiana Within 48 Hours Of Each Other
By Matthew S. Schwartz
Marco downgraded to a tropical storm as 'unprecedented' back-to-back threats target Louisiana
By David Hennen, Dakin Andone & Holly Yan
Storm Watch: Marco Makes Landfall, Laura Predicted To Be Category 2 Hurricane In Gulf
By Vanessa Romo & Bill Chappell