[steveegg]

The 900 mb call in the advisory was a bit premature - the recon flight found an extrapolated 894 mb -

427 
URNT12 KNHC 191822
VORTEX DATA MESSAGE
A. 19/18:06:20Z
B. 17 deg 24 min N
  083 deg 23 min W
C. 700 mb 2149 m
D. 75  kt
E.  29 deg 008 nm
F. 111 deg 128 kt
G. 023 deg 002 nm
H. EXTRAP  894 mb
I.  12 C/ 3058 m
J.  20 C/ 3028 m
K.  15 C/ NA
L. CLOSED WALL
M. C4
N. 12345/ 7
O. 0.02 / 1  nm
P. AF300 0824A WILMA        OB 11
MAX FL WIND 128 KT N QUAD 18:05:40 Z
SLP EXTRAP FROM 700 MB

[steveegg]

CORRECTED Vortex Data Message (pressure now measured via dropsonde and at 892 mb - previous version of this message had an extrapolated 894 mb, otherwise no change) -

448 
URNT12 KNHC 191822 CCB
VORTEX DATA MESSAGE
A. 19/18:06:20Z
B. 17 deg 24 min N
  083 deg 23 min W
C. 700 mb 2149 m
D. 75  kt
E. 029 deg 008 nm
F. 111 deg 128 kt
G. 023 deg 002 nm
H.         892 mb
I.  12 C/ 3058 m
J.  20 C/ 3028 m
K.  15 C/ NA
L. CLOSED WALL
M. C4
N. 12345/ 7
O. 0.02 / 1  nm
P. AF300 0824A WILMA        OB 11 CCB
MAX FL WIND 128 KT N QUAD 18:05:40 Z

[Nexus]

Yeah, the 900MB was based on satellite presentation and was definitely premature. The measured and current real pressure is indeed 894MB