FVXX24 KNES 212346 VA ADVISORY DTG: 20190921/2346Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/879 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 21/2336Z OBS VA CLD: SFC/FL220 N1913 W09859 - N1902 W09838 - N1848 W09859 - N1913 W09859 MOV W 10-15KT FCST VA CLD +6HR: 22/0530Z SFC/FL220 N1913 W09952 - N1845 W09950 - N1846 W10026 - N1912 W10033 - N1913 W09952 SFC/FL220 N1914 W09914 - N1904 W09835 - N1856 W09838 - N1851 W09914 - N1914 W09914 FCST VA CLD +12HR: 22/1130Z SFC/FL220 N1916 W09923 - N1904 W09837 - N1853 W09840 - N1851 W09921 - N1916 W09923 FCST VA CLD +18HR: 22/1730Z SFC/FL220 N1916 W09923 - N1905 W09837 - N1855 W09836 - N1849 W09921 - N1916 W09923 RMK: NEW LARGE PUFFS OF VA CAN BE SEEN MOV W UP TO 20NM FM THE SUMMIT AND BECOME DETACHED. NWP MDL INDICATES A CONT W MOV THRU +18HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20190922/0545Z