FVXX21 KNES 201318
VA ADVISORY
DTG: 20191020/1318Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2019/996

INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS.
VOLCAT. RADIOSONDE. 

ERUPTION DETAILS: VA EM MOV N

OBS VA DTG: 20/1311Z

OBS VA CLD: SFC/FL210 N1953 W09839 - N1901 W09836
- N1900 W09839 - N1950 W09901 - N1953 W09839 MOV
N 15-20KT 

FCST VA CLD +6HR: 20/1900Z SFC/FL210 N2008 W09905
- N2007 W09840 - N1900 W09837 - N1901 W09839 -
N2008 W09905 

FCST VA CLD +12HR: 21/0100Z SFC/FL210 N2008
W09900 - N2007 W09837 - N1900 W09835 - N1901
W09838 - N2008 W09900 

FCST VA CLD +18HR: 21/0700Z SFC/FL210 N2008
W09903 - N2007 W09845 - N1859 W09835 - N1859
W09839 - N2008 W09903 

RMK: VA DETECTED IN STLT EXTND APRX 55 NM N OF
SUMMIT. FREQUENT DISCRETE VA EM EXPECTED TO CONT
THRU FCST PERIOD BASED ON RECENT ACT. ...VELASCO

NXT ADVISORY: WILL BE ISSUED BY 20191020/1915Z
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