899 

WVMX31 MMMX 281901 CCA

MMEX SIGMET 1 VALID 281811/290011 MMMX-
MMFR MEXICO FIR VA POPOCATEPETL PSN N1901 W09837 OBS
 AT 281803Z
VA BTN SFC/FL220 INTO N1902 W09840 - N1859 W09837 - N1856 W09847 - N1901
         W09848 - N1902 W09840
MOV SW 15 -20 KT WKN.
OUTLK 290003Z VA CLD EXTD 90NM WSW 
         FM SUMMIT BTN SFC/FL220 FT WKN.
=