URNT12 KNHC 021911 AF968 1005A ERIN OB 13 KNHC DETAILED VORTEX DATA MESSAGE A. 02/1858Z B. 28 DEG 33 MIN N 83 DEG 38 MIN W C. NA D. 60 KT E. 360 DEG 35 NM F. 093 DEG 72 KT G. 016 DEG 25 NM H. EXTRAP 988 MB I. 23 C/ 391 M J. 24 C/ 395 M K. 23 C/ NA L. CLOSED M. C20 N. 28 DEG 33 MIN N 83 DEG 38 MIN W 02/1858Z O. 12345/1 P. 1/10 NM Q. MAX FL WIND 72 KT N QUAD 1849Z. SLP EXTRAP FROM 1500FT. POOR RADAR PRESENTATION DUE TO HEAVY RAIN;