434 

WVMX31 MMMX 091631 CCA

MMEX SIGMET 1 VALID 091630/092104 MMMX-
MMFR MEXICO FIR VA POPOCATEPETL PSN N1901 W09837 OBS
 AT 091500Z
AT 091630Z VA BTN SFC/FL190 EXTD N1905 W09905 - N1902 W09839 - N1859 W09839
         - N1855 W09904 - N1905 W09905
MOV W 15-20 KT NC.
OUTLK 092100Z NO ASH EXP
=