The National Weather Service has issued a tornado warning for parts of Allegheny County, including Pittsburgh, due to severe weather conditions. This warning, announced early Wednesday, indicates a potential for tornado activity, urging residents to stay alert and monitor weather updates. The severe weather system, part of a larger regional pattern, brings strong winds, heavy rain, and potentially dangerous conditions. A tornado warning signifies that a tornado has been sighted or indicated by weather radar, requiring immediate safety precautions.