Cloud Breaks Ignite Evening Severe Storms Along East Coast — SevereWX

Cloud Breaks Fuel Late-Day Severe Setup on VA-NC-SC Coast

Afternoon cloud breaks across southeastern Virginia, eastern North Carolina, and northern South Carolina are allowing a stalled air mass to recover, setting the stage for intensifying thunderstorms this evening. The Storm Prediction Center (SPC) highlights an 80% chance of issuing a severe thunderstorm watch within the next couple of hours to cover this growing risk.

Morning convection and mid-level clouds delayed heating, keeping instability in check. Now, with temperatures climbing into the mid-to-upper 80s and a few hours of sunshine left, marginal to moderate instability is rebounding ahead of an approaching front and storms from the east. Strengthening wind shear through the atmosphere could organize storms into clusters or even embedded supercells.

Primary threats include damaging wind gusts up to 55-70 mph, hail to 1.25 inches (quarter-dollar size), and a low-end tornado risk with peak intensities of 85-110 mph (EF1-EF2). These storms could pulse up rapidly as heating peaks, impacting coastal and near-coastal communities through late evening.

The MD (1786) is valid until around 6 PM EDT, but the watch could extend coverage as activity evolves. Monitor radar closely, especially near Norfolk, the Outer Banks, Wilmington, and Charleston areas.

Stay prepared: Have a severe weather plan, keep devices charged, know your safe spot, and heed local warnings. Check SPC updates at spc.noaa.gov for the latest.