CHARLOTTE, North Carolina — Thursday is shaping up as a day worth watching across the Carolinas, Georgia and Tennessee, not as a major severe weather outbreak but as a setup where warm and unstable air could allow a couple of thunderstorms to become strong if they can get organized. The bigger story for many drought-affected communities is simply the rain itself, which will be welcome regardless of storm intensity.
What the Instability Map Shows
The CAPE map for Thursday shows instability building across a focused zone:
Highest CAPE — Green Shading: Covers Charlotte, Monroe, the South Carolina Piedmont and Columbia, where instability values are sufficient to support strong thunderstorm updrafts if storms can initiate and tap into the unstable air
Moderate CAPE — Blue Shading: Spreads across Raleigh, Fayetteville, Winston-Salem, Roanoke and Charlottesville, where instability is present but less concentrated, meaning storm development is less certain and intensity would be lower…