The entry above related to what was happening early yesterday morning through afternoon, when several of the processes necessary for tropical regeneration were starting to come into play, and for a few hours, a complete regeneration was starting to look promising ... but, no doubt, six, ten hours later and we are now looking at a very different situation.

Here is a look at Debby from about 1845 on the 28th:

And from 2215

As can be seen in the images above, moderate to deep convection had wrapped around Debby's then tight LLC. Additionally, buoy, scatterometer, and phase space analysis strongly suggested that most of the intensification was manifestly subtropical to tropical in nature during that time. A few short hours, but it might make for some interesting post-season reading, if nothing else