FVXX20 KNES 260514
VA ADVISORY
DTG: 20171226/0514Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2017/313

INFO SOURCE: GOES-EAST. NWP MODELS. 

ERUPTION DETAILS: ONGOING LGT VA EMS

OBS VA DTG: 26/0445Z

OBS VA CLD: SFC/FL190 N1901 W09838 - N1858 W09834
- N1830 W09845 - N1847 W09901 - N1901 W09838 MOV
SW 15KT SFC/FL240 N2030 W09923 - N1901 W09835 -
N1837 W09925 - N1938 W09955 - N2030 W09923 MOV NW
0KT 

FCST VA CLD +6HR: 26/1100Z SFC/FL190 N1850 W09851
- N1843 W09844 - N1817 W09859 - N1832 W09917 -
N1850 W09851 SFC/FL240 N2105 W09942 - N1901
W09835 - N1850 W09901 - N2015 W10030 - N2105
W09942 

FCST VA CLD +12HR: 26/1700Z SFC/FL240 N2027
W10009 - N1902 W09835 - N1852 W09850 - N1940
W10034 - N2027 W10009 

FCST VA CLD +18HR: 26/2300Z SFC/FL240 N2025
W10010 - N1901 W09835 - N1853 W09853 - N1944
W10032 - N2025 W10010 

RMK: AN EXPANSIVE AREA OF LGT VA IS OBS IN STLT.
VA MOVG SW FM SUMMIT NEAR FL190 AT 30KTS AND MOVG
NW NEAR FL240 AT 20KTS. VA EXTDS NW FOR 100NMI
AND QUICKLY BECOMG DIFF.  ...RAMIREZ

NXT ADVISORY: WILL BE ISSUED BY 20171226/1115Z