URNT12 KMIA 301300 AF966 1003A BERTHA OB 07 KMIA DETAILED VORTEX DATA MESSAGE A. 30/1239Z B. 34 DEG 54 MIN N 68 DEG 09 MIN W C. 850 MB 1288 M D. 45 KT E. 346 DEG 71 NM F. 72 DEG 61 KT G. 345 DEG 82 NM H. EXTRAP 986 MB I. 15 C/ 1506 M J. 19 C/ 1512 M K. 18 C/ NOBS L. OPEN EAST AND SOUTH M. E36/40/30 N. 34 DEG 54 MIN N 68 DEG 09 MIN W 30/1239Z O. 1235 /1 P. 2 /20 NM Q. MAX FL WND 01280, W QUAD 1044Z. SFC CNTR 180/30NM. SLP EXTRAP FROM 850 MB.;