Deep convection was prevalent during the afternoon of Tuesday May 12th, 2026. There were several interesting artifacts in the satellite imagery that were noted this day. There were also several different storm types observed such as single cell “pop up” storms, a linear area of storms as well as a few supercells which eventually transitioned into clusters of slow moving storms. Something I thought was particularly unique was the Rear-Flank Downdraft (RFD) on a supercell moving north to south near Daytona Beach while there was a clear west to east steering flow.
This storm initially developed north of the area near Clay County. As it moved off the coast, it strengthened quickly then had an anomalous southerly storm motion as everything else was generally moving east. As the storm pulsed up and down in strength, there were periods where the OCTANE Speed imagery caught the RFD pop out with the green coloring west of the main updraft. You can see that below on Figure 1.
While this is not something out of the ordinary, it was most visible on this satellite product because upper level cirrus blocked this process on other satellite imagery.
Figure 1: Rear-Flank Downdraft (RFD) captured on the Octane Speed imagery as a storm with anomalous south motion moves through the easterly flow.
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