That "swirly thing" that you have been seeing on the sats is the LLCC. Low Level Circulation Center. It connects well with the NHC position.
There was an earlier, separate, Circulation around 18N/ 85W, but I haven't checked it lately.
Per the NHC Discussion and going over the Recon data. Recon did find TS force winds. Well removed from the 'center' area. However they apparently were unable to close off a circulation.
Closing off a circulation requires something along the line of finding winds from different directions at different points of the storm. Otherwise a broad ara of Low Pressure exists with no circulation center.
Satellite imagery does reveal a LLCC. But the winds may not be ' closing off' around it yet.
It appears that Recon is tasked with a Sunrise fix on Sunday. With a 00Z, Sunday evening, high altitude flight scheduled for the Gulfstream aircraft.
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