FVXX22 KNES 021228 VA ADVISORY DTG: 20211002/1228Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/601 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: NEW EMS ARND 02/1130Z OBS VA DTG: 02/1200Z OBS VA CLD: SFC/FL200 N1902 W09837 - N1901 W09837 - N1857 W09844 - N1900 W09846 - N1902 W09837 MOV SW 5KT FCST VA CLD +6HR: 02/1800Z SFC/FL200 N1902 W09837 - N1900 W09836 - N1855 W09846 - N1900 W09848 - N1902 W09837 FCST VA CLD +12HR: 03/0000Z NO VA EXP FCST VA CLD +18HR: 03/0600Z NO VA EXP RMK: NEW VA EMS OBSD IN SAT EXT 10 NM SWS OF SUMMIT. VA CLDS OBSD IN WEB CAM AS WELL. NWP MDL FCST LTLCH THRU T+6HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20211002/1830Z