URNT12 KMIA 200544 AF984 0208A GERT OB 17 KMIA DETAILED VORTEX DATA MESSAGE A. 20/0536Z B. 21 DEG 03 MIN N 94 DEG 55 MIN W C. 850 MB 1267 M D. NA E. NA F. 347 DEG 69 KT G. 274 DEG 36 NM H. EXTRAP 982 MB I. 19 C/ 1509 M J. 20 C/ 1620 M K. 18 C/ NA L. CLOSED WALL M. C5 N. 21 DEG 03 MIN N 94 DEG 55 MIN W 20/0536Z O. 12345/8 P. 2/3 NM Q. MAX FL WIND 80 KT E QUAD 0337Z. SLP EXTRAP FROM 850MB. WEAK EYE WALL;