FVXX21 KNES 280338 VA ADVISORY DTG: 20221228/0338Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2022/520 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: OCNL VA EMS OBSD OBS VA DTG: 28/0320Z OBS VA CLD: SFC/FL200 N1909 W09801 - N1904 W09800 - N1859 W09836 - N1902 W09837 - N1909 W09801 MOV E 20KT FCST VA CLD +6HR: 28/0930Z SFC/FL200 N1914 W09759 - N1908 W09757 - N1859 W09837 - N1902 W09837 - N1914 W09759 FCST VA CLD +12HR: 28/1530Z NO VA EXP FCST VA CLD +18HR: 28/2130Z NO VA EXP RMK: OCNL VA EMS OBSD IN SAT AND WEBCAM. VA CLDS EXTD APPX 30NMI E FM SUMMIT. NWP MDL FCST LTLCG THRU T+6HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20221228/0945Z