Imelda Set To Become Hurricane; Cat 4 Humberto Unleashing on BermudaWatches/Warnings Issued Ahead of Potential Tropical Cyclone NineNHC: Closely Eyeing Invest 94-L (X)TS Humberto, Hurricane Gabrielle & AL-94Tropical Storms Brewing In Atlantic Waters VIDEO: Cat 4 Hurricane Gabrielle & Two More Tropical DisturbancesGabrielle Now A Hurricane, No Landfall Threat To U.S. Gabrielle Expected To Become Hurricane This WeekendTropical Storm Gabrielle Has FormedTropical Depression 7 Forms In AtlanticHurricane Center Monitoring Two Systems In Atlantic Researcher: Storm Surge, Rainfall and Wind Should Determine Storm Category