FVXX21 KNES 180725 VA ADVISORY DTG: 20221218/0725Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2022/483 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT DISCRETE VA EMS OBS VA DTG: 18/0651Z OBS VA CLD: SFC/FL210 N2005 W09653 - N1905 W09613 - N1922 W09655 - N1946 W09708 - N2005 W09653 MOV E 20KT FCST VA CLD +6HR: 18/1300Z SFC/FL210 N1935 W09744 - N1911 W09731 - N1902 W09837 - N1935 W09744 FCST VA CLD +12HR: 18/1900Z SFC/FL210 N1936 W09743 - N1910 W09730 - N1902 W09838 - N1936 W09743 FCST VA CLD +18HR: 19/0100Z SFC/FL210 N1936 W09742 - N1909 W09729 - N1903 W09837 - N1936 W09742 RMK: CONT DISCRETE VA EMS OBS MOV E FM SUMMIT EXTD TO E COAST OF MEXICO. PSBL VA FCST TO MOV E FM SUMMIT THRU T+18HRS. VO ACT MODERATE TO HIGH. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20221218/1330Z