[steveegg]

Current report from the Hunters - pressure at 963 mb, max flight-level winds at 90 knots -

922 
URNT12 KNHC 231650
VORTEX DATA MESSAGE
A. 23/16:34:30Z
B. 22 deg 54 min N
  085 deg 40 min W
C. 700 mb 2788 m
D. 65  kt
E.  45 deg 089 nm
F. 140 deg 080 kt
G. 045 deg 097 nm
H.         963 mb
I. 12  C/ 3041 m
J.  14 C/ 3048 m
K.  14 C/ NA
L. CLOSED
M. CO10-60
N. 12345/ 7
O. 0.02 / 2  nm
P. AF304 2124A WILMA        OB 14
MAX FL WIND 90 KT NE QUAD 15:35:30
INNER EYEWALL STILL DEVELOPING - OPEN WEST.  OUTER EYEWALL IS CLOSED.

Movement in the 1:36 prior to 12:34 pm EDT to the northeast (45 degrees) at 11 mph.

[laz]

Concentric eyewalls, with the inner one developing. Doesn't EWRC involve the inner one falling apart and an outer one shrinking to take its place? Is the formation of the inner, tighter eyewall a sign of strengthening?