A vortex message was issued at 2015Z, has the center a little north and east of the official advisory:

000
URNT12 KNHC 232025
VORTEX DATA MESSAGE
A. 23/20:15:10Z
B. 23 deg 21 min N
075 deg 07 min W
C. NA mb NA m
D. NA kt
E. deg nm
F. 163 deg 012 kt
G. 227 deg 004 nm
H. EXTRAP 1008 mb
I. 25 C/ 246 m
J. 25 C/ 245 m
K. 23 C/ NA
L. NA
M. NA
N. 1 3 / 1
O. 0.02 / 6 nm
P. AF300 01GGA INVEST OB 18
MAX FL WIND 29 KT SE QUAD 19:10:50 Z
SLP EXTRAP FROM 1500 FT.