[snowsislander]

It was in this previous "Vortex" message:

VORTEX DATA MESSAGE
A. 28/14:17:00Z
B. 25 deg 58 min N
  088 deg 03 min W
C. 700 mb 2294 m
D. NA  kt
E.     deg     nm
F. 306 deg 140 kt
G. 221 deg 014 nm
H.         907 mb
I.  12 C/ 3059 m
J.  26 C/ 3048 m
K.   6 C/ NA
L. CLOSED WALL
M. C22
N. 12345/ 7
O. 1    / 1  nm
P. AF302 1712A KATRINA      OB 21
MAX FL WIND 166 KTS OUTBOUND NE QUAD 1422Z. PERFECT STADIUM 
EFFECT AND TEXTBOOK RADAR DEPICTION OF EYEWALL.

It's also used in this most current "Vortex" message:

VORTEX DATA MESSAGE
A. 28/15:00:20Z
B. 26 deg 06 min N
  088 deg 06 min W
C. 700 mb 2289 m
D. NA  kt
E.     deg     nm
F. 089 deg 154 kt
G. 002 deg 018 nm
H.         907 mb
I. 11  C/ 3044 m
J.  27 C/ 3006 m
K.   7 C/ NA
L. CLOSED WALL
M. C22
N. 12345/ 7
O. 1    / 1  nm
P. AF302 1712A KATRINA      OB 26
MAX FL WIND 166 KTS NE QUAD 1422Z. TEXTBOOK RADAR 
PRESENTATION AND STADIUM EFFECT. SURFACE CENTER VISIBLE AND 
SLIGHTLY DISPLACED FROM FL CENTER.

[mewzilla]

Down to 907mb? Holy moly.

[kenth]

Could we get a hurricane link at the top of the main page?

[jacquej]

Ok, for us notherners, what is the "stadium effect"?