FVXX22 KNES 040438 VA ADVISORY DTG: 20230704/0438Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2023/787 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: POSSIBLE ONGOING EMS. OBS VA DTG: 04/0421Z OBS VA CLD: SFC/FL210 N1914 W09832 - N1902 W09829 - N1901 W09842 - N1910 W09848 - N1914 W09832 MOV N 5KT FCST VA CLD +6HR: 04/1030Z SFC/FL210 N1911 W09847 - N1903 W09837 - N1901 W09837 - N1858 W09852 - N1911 W09847 FCST VA CLD +12HR: 04/1630Z NO VA EXP FCST VA CLD +18HR: 04/2230Z NO VA EXP RMK: THE AREA AROUND THE SUMMIT HAS BECOME OBSCURED BY CLD COVER, THEREFORE EMS ARE NOT SEEN. HOWEVER, PAST RECENT VOL HISTORY SUGGESTS ONGOING EMS. VA DRIFTING N ACCORDING TO NWP MDLS. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20230704/1045Z