Tropical disturbance 91L could become tropical storm in Gulf of Mexico next week Fox Weather Storm tracker: NHC tracking 2 Atlantic tropical waves, one could bring rain to US USA TODAYWill A Tropical Depression Form In The Gulf? The Weather ChannelAnother tropical wave could bring rain, flooding to New Orleans WDSU New OrleansTropical depression has 70% chance of forming in Gulf, Hurricane Center says NOLA.com