FVXX24 KNES 211846 VA ADVISORY DTG: 20190921/1846Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/878 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 21/1836Z OBS VA CLD: SFC/FL220 N1920 W09958 - N1906 W09838 - N1859 W09837 - N1849 W10001 - N1920 W09958 MOV W 15-20KT FCST VA CLD +6HR: 22/0030Z SFC/FL220 N1914 W10026 - N1905 W09839 - N1856 W09837 - N1832 W10019 - N1914 W10026 FCST VA CLD +12HR: 22/0630Z SFC/FL N1908 W10024 - N1908 W09838 - N1856 W09837 - N1831 W10020 - N1908 W10024 FCST VA CLD +18HR: 22/1230Z SFC/FL220 NO ASH EXP RMK: CONT PUFFS OF VA IS SEEN ON STLT IMAGERY. VA IS OBS UP TO 72NM W FM THE SUMMIT . NWP MDL INDICATES A W TO WSW MOV THRU +12 HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20190922/0045Z