FVXX22 KNES 231220 VA ADVISORY DTG: 20200523/1220Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2020/538 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: SML VA EM AT 1139Z. OBS VA DTG: 23/1206Z OBS VA CLD: SFC/FL190 N1901 W09837 - N1859 W09826 - N1854 W09828 - N1901 W09837 - N1901 W09837 MOV SE 15-20KT FCST VA CLD +6HR: 23/1800Z SFC/FL190 N1901 W09836 - N1852 W09821 - N1847 W09826 - N1900 W09837 - N1901 W09836 FCST VA CLD +12HR: 24/0000Z SFC/FL190 N1901 W09837 - N1852 W09818 - N1844 W09825 - N1900 W09837 - N1901 W09837 FCST VA CLD +18HR: 24/0600Z NO ASH EXP RMK: VA EM OBSD AT 1139Z IN WEBCAM. VA CLD NOTED IN G16 STLT IMAGERY 10 NMI ESE OF SUMMIT. NWP MDLS FCST LTLCG IN WINDS THRU T+12 HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20200523/1815Z