URNT12 KNHC 272354 AF984 0910A IRIS OB 05 KNHC DETAILED VORTEX DATA MESSAGE A. 27/2347Z B. 17 DEG 39 MIN N 61 DEG 59 MIN W C. 850 MB 1372 M D. NA E. NA F. 166 DEG 66 KT G. 075 DEG 37 NM H. EXTRAP 993 MB I. 18 C/ 1521 M J. 21 C/ 1518 M K. 18 C/ NA L. NA M. NA N. 17 DEG 39 MIN N 61 DEG 59 MIN W 27/2347Z O. 12345/8 P. 1/3 NM Q. MAX FL WIND 66 KT E QUAD 2335Z. SLP EXTRAP FROM 850MB. APPARENT EYEWALL APPROX 15-18 NM WIDE WITH SOME BREAKS;