WCMX31 MMMX 050844 MMEX SIGMET 2 VALID 050843/051443 MMMX- MMFR MEXICO FIR TC PILAR OBS N1042 W11230 AT 0843Z OCNL TS TOP FL530 WI 120NM CENTRE MOV W 12KT INTSF. FCST TC CENTRE 051500Z N1100 W11324 =