NORTH CAROLINA (WTVD) -- When severe weather is in the forecast it usually includes a watch, a warning, or both. Many variables go into how the National Weather Service triggers watches and warnings.

CHARLOTTE, N.C. (WBTV) - Severe weather was expected across the Carolinas on Monday, and there could be the potential for tornadoes in the region. ---> More: Storm timeline for Carolinas: Severe ...