FVXX21 KNES 160728 VA ADVISORY DTG: 20230116/0728Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2023/072 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: INTMT VA EMS OBSD OBS VA DTG: 16/0700Z OBS VA CLD: SFC/FL210 N1918 W09747 - N1907 W09730 - N1855 W09817 - N1858 W09837 - N1906 W09837 - N1918 W09747 MOV E 20KT FCST VA CLD +6HR: 16/1300Z SFC/FL210 N1908 W09732 - N1851 W09733 - N1901 W09838 - N1905 W09838 - N1908 W09732 FCST VA CLD +12HR: 16/1900Z SFC/FL210 N1907 W09728 - N1849 W09731 - N1859 W09838 - N1905 W09837 - N1907 W09728 FCST VA CLD +18HR: 17/0100Z NO VA EXP RMK: INTMT VA EMS OBSD IN SAT AND REPORTED VIA SIGMET. VA CLDS EXTD APPX 50NMI E FM SUMMIT. VA FL/DIR BASED ON RPRT, SAT AND MDL. NWP MDL FCST LTLCG THRU T+12HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20230116/1330Z