991
URNT12 KNHC 111730
VORTEX DATA MESSAGE
A. 11/1730Z
B. 17 DEG 58 MIN N
78 DEG 53 MIN W
C. 700 MB 2414 M
D. 80 KT
E. 323 DEG 067 NM
F. 049 DEG 141 KT
G. 309 DEG 012 NM
H. 923 MB
I. 10 C/ 3101 M
J. 17 C/ 3089 M
K. 16 C/ NA
L. CLOSED
M. C18
N. 12345/07
O. 0.1/ 1 NM
P. AF966 2009A IVAN OB 04
MAX FL WIND 141 KT NW QUAD 1726Z.
MAX FL TEMP 19C 304/06 NM FROM FL CNTR

Made it through ERC intact, not even much pressure change. Cat 5 is looking more likely in my opinion.