WSMX31 MMMX 211256 CCA
MMID SIGMET F1 VALID 211239/211639 MMMX-
MMFO MAZATLAN OCEANICA FIR OCNL TS OBS
 AT 1239Z
WI N1351W11538 - N1220W11515 - N1230W11342 - N1401W11405 CB TOP ABV FL500
        
MOV W 05KT INTSF.
=