FVXX21 KNES 210638 VA ADVISORY DTG: 20210421/0638Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/384 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: OCNL VA EMS. OBS VA DTG: 21/0626Z OBS VA CLD: SFC/FL200 N1910 W09829 - N1906 W09826 - N1901 W09837 - N1902 W09837 - N1910 W09829 MOV NE 10KT FCST VA CLD +6HR: 21/1230Z SFC/FL200 N1911 W09811 - N1902 W09811 - N1901 W09837 - N1902 W09837 - N1911 W09811 FCST VA CLD +12HR: 21/1830Z NO VA EXP FCST VA CLD +18HR: 22/0030Z NO VA EXP RMK: EARLIER REMNANT VA E OF SUMMIT DSIPTD. NEW EM TO FL200 OBS IN SAT AND WEBCAM EXT 10 NM NE FM SUMMIT. OBS VA FL ESTD FM NWP MDLS. FL MVMT FCST TO TURN TO E BY T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210421/1245Z