URNT12 KMIA 300515 AF366 0608A CYCLONE OB 13 KMIA DETAILED VORTEX DATA MESSAGE A. 30/0511Z B. 30 DEG 10 MIN N 78 DEG 47 MIN W C. NA D. NA E. NA F. 224 DEG 030 KT G. 154 DEG 48 NM H. EXTRAP 999 MB I. 23 C/ 386 M J. 23 C/ 414 M K. 20 C/ NA L. NA M. NA N. 30 DEG 10 MIN N 78 DEG 47 MIN W 30/0511Z O. 12345/1 P. 3/2 NM Q. MAX FL WIND 53 KT N QUAD 0127Z. SLP EXTRAPOLATED FROM 1500FT. GOOD SPIRAL BANDING WITHIN 30 NM OF CENTER. PSBL EYE WALL SEGS;