Possible Helene Prompts Warnings In North And South Carolina  The Weather ChannelPotential Tropical Cyclone 8 brings heavy rainfall to the Mid-Atlantic with millions under flood watch  NBC NewsStorm nearing Carolinas threatens area with up to 10 inches of rain, possible flooding  USA TODAYEmergency crews on standby as Potential Tropical Cyclone #8 threatens coastal areas  WRAL NewsTropical rainstorm to push onshore in Carolinas packing flooding, strong winds  Yahoo! Voices