FVXX21 KNES 271031 VA ADVISORY DTG: 20210127/1031Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/120 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: CONTG VA EMS. OBS VA DTG: 27/1021Z OBS VA CLD: SFC/FL190 N1934 W09835 - N1932 W09824 - N1901 W09836 - N1902 W09837 - N1934 W09835 MOV N 10KT FCST VA CLD +6HR: 27/1630Z SFC/FL190 N1937 W09841 - N1900 W09836 - N1901 W09838 - N1935 W09851 - N1937 W09841 FCST VA CLD +12HR: 27/2230Z NO VA EXP FCST VA CLD +18HR: 28/0430Z NO VA EXP RMK: LGT VA OBS EXT UP TO 35 NM NNE FM SUMMIT. VA EM ACT DECREASED SINCE PREV VAA. FL MVMT EXP TO TURN TO NNW BY T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210127/1630Z