An outflow boundary from earlier coastal convection is intersecting instability in north-central Florida, leading to new development in the far southern portion of the JAX CWA and far northern portion of the MLB CWA. Updraft strength, updraft helicity, and even 10km divergence (not in this image) have all become very interesting across Marion, Lake, and Volusia Counties.

These data have prompted the issuance of SVRs for parts of Marion and Volusia county, and special marine warnings have been issued off the coast.  The JAX team has split into half-JAX, half-MLB to address the evolving threats.