FVXX21 KNES 131705 VA ADVISORY DTG: 20211213/1705Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/678 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: LIGHT VA NW OF SUMMIT OBS VA DTG: 13/1646Z OBS VA CLD: SFC/FL190 N1913 W09848 - N1902 W09837 - N1859 W09838 - N1908 W09853 - N1913 W09848 MOV NW 10KT FCST VA CLD +6HR: 13/2300Z SFC/FL190 N1911 W09852 - N1902 W09837 - N1859 W09837 - N1904 W09856 - N1911 W09852 FCST VA CLD +12HR: 14/0500Z NO VA EXP FCST VA CLD +18HR: 14/1100Z NO VA EXP RMK: LIGHT VA OBS IN STLT IMAGERY AND WEBCAM EXTENDING APPRX 15NM NW OF SUMMIT. VA FCST THRU T+6 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20211213/2300Z