FVXX21 KNES 200708 VA ADVISORY DTG: 20231220/0708Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2023/1290 INFO SOURCE: GOES-16. MEXICO CITY MWO. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONS VA EMS OBS VA DTG: 20/0640Z OBS VA CLD: SFC/FL210 N1902 W09835 - N1838 W09816 - N1831 W09828 - N1901 W09838 - N1902 W09835 MOV SE 10KT FCST VA CLD +6HR: 20/1230Z SFC/FL210 N1902 W09837 - N1850 W09810 - N1840 W09816 - N1900 W09838 - N1902 W09837 FCST VA CLD +12HR: 20/1830Z NO VA EXP FCST VA CLD +18HR: 21/0030Z NO VA EXP RMK: CONS VA EMS OBSD IN SAT AND VA CLDS EXTD APPX 30NMI SE FM SUMMIT. SIGMET AND VOLCAT ALERT RECEIVED. VA FL/DIR BASED ON RPRT AND SAT OBS. MDL DOES NOT AGREE WELL WITH OBS THUS FCST CONFIDENCE IS LOW. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20231220/1315Z