The bottom left frame depicts a well defined outflow boundary pushing ahead of the convection in northeast FL. KJAX 0.5 degree Z is the only product in which this feature is visible, and it provides a lot of additional context as to what’s going on in the mesoscale and how that will impact the downstream convection. Will note that GREMLIN correctly identified this overall trend of weakening outflow dominant convection and was more obvious in its presentation than the RALA or base Z (which had very similar reflectivity presentations).

MRMS RALA (top left), GREMLIN (top right), base reflectivity (bottom left and right from JAX and MLB, respectively)

– millibar