FVXX23 KNES 191606 VA ADVISORY DTG: 20171219/1606Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2017/301 INFO SOURCE: GOES-EAST. RADIOSONDE. CIMSS VOLCAT. ERUPTION DETAILS: VA EM AT 19/1440Z OBS VA DTG: 19/1552Z OBS VA CLD: SFC/FL235 N1919 W09837 - N1914 W09837 - N1914 W09841 - N1919 W09841 - N1919 W09837 MOV N 15-20KT FCST VA CLD +6HR: 19/2200Z SFC/FL235 NO ASH EXP FCST VA CLD +12HR: 20/0400Z NO ASH EXP FCST VA CLD +18HR: 20/1000Z NO ASH EXP RMK: SMALL VA CLD AT FL235 WAS CENTERED 18 NM N OF THE SUMMIT. VA FCST TO DISP WI 6 HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20171219/2200Z