FVXX20 KNES 281348 VA ADVISORY DTG: 20230528/1348Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2023/649 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS CONTINUED OBS VA DTG: 28/1310Z OBS VA CLD: SFC/FL170 N1842 W09701 - N1821 W09653 - N1805 W09807 - N1828 W09809 - N1842 W09701 MOV E 5KT SFC/FL200 N1910 W09719 - N1847 W09720 - N1855 W09839 - N1906 W09837 - N1910 W09719 MOV E 10KT FCST VA CLD +6HR: 28/1900Z SFC/FL170 NO VA EXPSFC/FL200 N1923 W09734 - N1902 W09727 - N1852 W09840 - N1859 W09835 - N1923 W09734 FCST VA CLD +12HR: 29/0100Z SFC/FL200 N1938 W09714 - N1917 W09701 - N1853 W09838 - N1859 W09838 - N1938 W09714 FCST VA CLD +18HR: 29/0700Z SFC/FL200 N1907 W09658 - N1848 W09658 - N1856 W09840 - N1906 W09839 - N1907 W09658 RMK: CONS VA EMS OBSD IN SAT AND WEBCAM. VA CLDS AT FL200 OBSD EXTG APPX 70NMI W FM SUMMIT BEFORE OBSC BY MET CLDS. REMNANT VA CLDS AT FL170 STILL OVER SE OF SUMMIT CENTERED AT ABT 75NMI AND SLOWLY DISP. NWP MDL FCST SLIGHTLY BACKING THRU T+12HRS THEN E TILL T+18HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20230528/1945Z