URNT12 KMIA 251356 COR AF861 0202A ARTHUR OB 06 COR KMIA ABBREVIATED VORTEX DATA MESSAGE A. 25/1301Z B. 12 DEG 37 MIN N 62 DEG 48 MIN W C. NOBS D. 50 KT E. 290 DEG 10 NM F. 030 DEG 53 KT G. 290 DEG 10 NM H. EXTRAP/1002 MB O. 134 /01 Q. ABBREVIATED VORTREX DATA MSG, MAX FL WND 53KT W QUAD 1304Z SLP EXTRAP FROM 1500FT;