FVXX21 KNES 301553 VA ADVISORY DTG: 20201230/1553Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2020/1109 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. RADIOSONDE. ERUPTION DETAILS: VA EMS SEEN IN STLT. OBS VA DTG: 30/1531Z OBS VA CLD: SFC/FL190 N1902 W09837 - N1854 W09807 - N1849 W09810 - N1900 W09837 - N1902 W09837 MOV SE 25KT FCST VA CLD +6HR: 30/2130Z SFC/FL190 N1902 W09837 - N1902 W09815 - N1855 W09817 - N1900 W09837 - N1902 W09837 FCST VA CLD +12HR: 31/0330Z NO VA EXP FCST VA CLD +18HR: 31/0930Z NO VA EXP RMK: VA SEEN IN STLT IMAGERY MOV SE FM SUMMIT AND EXTDG OUT ARND 40 NM BEFORE DSIPTG. NEW EMS EMITTING ARE MORE STEAM AND GAS. NEW VA EMS ARE PSBL. MODEL GUIDANCE INDICATES ANY NEW VA EMS WOULD MOV TWD THE E AT 25 KTS AS EARLIER FCSTD. ...KIBLER NXT ADVISORY: WILL BE ISSUED BY 20201230/2200Z