WVMX31 MMMX 182252 CCB
MMEX SIGMET 1 VALID 182236/190436 MMMX-
MMFR MEXICO FIR VA POPOCATEPETL PSN N1901 W09837 OBS
 AT 182236Z
VA CLD BTN SFC/FL190 N2010W09838 N1959W09807 N1928W09811 N1903W09833 
N1906W09840
         N2010W09838
MOV N 10KT NC.
OUTLK 19/0300Z VA CLD BTN SFC/FL190 N2050W09837 N2038W09757 N1902W098
35 N1903W09840
         N2050W09837
AFFECTED AIRWAYS DEPARTURE ILETO=