FVXX20 KNES 210655 VA ADVISORY DTG: 20230621/0655Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2023/741 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS VA DTG: 21/0631Z OBS VA CLD: SFC/FL210 N1903 W09837 - N1804 W09943 - N1841 W10008 - N1903 W09837 MOV SW 20KT FCST VA CLD +6HR: 21/1230Z SFC/FL210 N1904 W09838 - N1728 W10017 - N1823 W10122 - N1904 W09838 FCST VA CLD +12HR: 21/1830Z SFC/FL210 N1902 W09836 - N1642 W10108 - N1807 W10239 - N1902 W09836 FCST VA CLD +18HR: 22/0030Z NO VA EXP RMK: CONT VA EMS OBS MOV SW IN STLT IMAGERY. VA FCST TO CONT SW MOV THRU T+12HRS BEFORE DISP. VO ACT MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20230621/1300Z