SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0645 PM CST Fri Dec 27 2024 Valid 280100Z - 281200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE CENTRAL GULF COAST... ...SUMMARY... A marginal tornado threat may continue for another hour or two across parts of the central Gulf Coast. ...Central Gulf Coast... A shortwave trough is evident on water vapor over the mid Mississippi Valley. This feature will move northeastward into the Ohio Valley this evening. At the surface, a moist airmass will remain in the central Gulf Coast states. Scattered thunderstorms are ongoing within the moist airmass from far southeast Louisiana into southwest Alabama. Most of the airmass is weakly unstable. However, the southern edge of a mid-level jet is located in the central Gulf Coast region, which is creating moderate deep-layer shear. This, combined with backed southeasterly flow at the surface and veering winds with height, could be enough for a marginal tornado threat over the next hour or two with supercells that persist. The severe threat is expected to diminish as instability drops across the region. ..Broyles.. 12/28/2024