I think the last observation pointed out "perfect stadium effect". I lost track of what post I saw that on though.
Just about everything that can be "perfect" with this storm is, in fact, perfect.
Horrifying.
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.
Perfect stadium effect photos:
http://www.freerepublic.com/focus/f-news/1472123/posts?page=1559#1559