URNT12 KNHC 281852 VORTEX DATA MESSAGE A. 28/1852Z B. 31 DEG 17 MIN N 78 DEG 54 MIN W C. NA D. 60 KT E. 001 DEG 20 NM F. 078 DEG 59 KT G. 354 DEG 27 NM H. EXTRAP 996 MB I. 23 C/ 311 M J. 26 C/ 301 M K. 25 C/ NA L. NA M. NA N. 12345/01 O. .1/1 NM P. AF861 0107A GASTON OB 04 MAX FL WIND 59 KT N QUAD 1843Z. SLP EXTRAP FROM 1500FT. RADAR SHOWED GOOD BANDING W-NE QUADS.