URPN12 KMIA 130853 AF984 0201C KEONI OB 09 KMIA DETAILED VORTEX DATA MESSAGE A. 13/0842Z B. 11 DEG 52 MIN N 153 DEG 38 MIN W C. NA D. NA E. NA F. 253 DEG 38 KT G. 177 DEG 6 NM H. EXTRAP 996 MB I. 23 C/ 451 M J. 24 C/ 449 M K. 24 C/ NA L. CLOSED WALL M. C10 N. 11 DEG 52 MIN N 153 DEG 38 MIN W 13/0842Z O. 12345/1 P. 2 /3 NM Q. MAX FL WIND 52 KT W QUAD 0628Z. SLP EXTRAP FROM 1500FT. WEAK WALL DEPICTED ON RADAR;