FVXX21 KNES 311420
VA ADVISORY
DTG: 20170731/1420Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2017/063

INFO SOURCE: GOES-EAST. MEXICO CITY MWO.
RADIOSONDE. NWP MODELS. VOLCANO WEB CAMERA. 

ERUPTION DETAILS: CONS EM OF GAS/STEAM AND SOME VA

OBS VA DTG: 31/1400Z

OBS VA CLD: SFC/FL210 N1910 W09914 - N1904 W09837
- N1901 W09837 - N1901 W09915 - N1910 W09914 MOV
W 10-15KT 

FCST VA CLD +6HR: 31/2000Z SFC/FL210 N1908 W09905
- N1904 W09837 - N1901 W09837 - N1900 W09905 -
N1908 W09905 

FCST VA CLD +12HR: 01/0200Z SFC/FL210 NO ASH EXP

FCST VA CLD +18HR: 01/0800Z NO ASH EXP

RMK: PLUME SEEN EXTDG 30NM W OF SUMMIT. WEB CAM
SUGGESTS AND MEXICO CITY CONFIRMS THAT PLUME IS
MOSTLY GAS/STEAM WITH A SMALL AMOUNT OF VA MOSTLY
NEAR THE SUMMIT.  ...RUMINSKI

NXT ADVISORY: WILL BE ISSUED BY 20170731/2015Z
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