URNT12 KNHC 181244 AF963 0504A DANNY OB 04 KNHC DETAILED VORTEX DATA MESSAGE A. 18/1227Z B. 29 DEG 29 MIN N 89 DEG 26 MIN W C. NA D. 30 KT E. 227 DEG 33 NM F. 296 DEG 61 KT G. 208 DEG 12 NM H. EXTRAP 990 MB I. 22 C/ 494 M J. 24 C/ 561 M K. 23 C/ NA L. CLOSED WALL M. C15 N. 29 DEG 29 MIN N 89 DEG 26 MIN W 18/1227Z O. 12345/01 P. 0.8/3 NM Q. MAX FL WIND 61 KT SW QUAD 1223Z. SLP EXTRAP FROM 1500FT. OTHER MAX WIND 77 KTS 042/7 MILES ON NE LEG OUT;