FVXX21 KNES 190237 VA ADVISORY DTG: 20210419/0237Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/372 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: NEW VA EMS OBS VA DTG: 19/0221Z OBS VA CLD: SFC/FL200 N1908 W09829 - N1904 W09824 - N1900 W09836 - N1902 W09837 - N1908 W09829 MOV NE 15KT FCST VA CLD +6HR: 19/0830Z SFC/FL200- N1937 W09801 - N1923 W09750 - N1901 W09834 - N1901 W09838 - N1937 W09801 FCST VA CLD +12HR: 19/1430Z NO VA EXP FCST VA CLD +18HR: 19/2030Z NO VA EXP RMK: VA DETECTED ON STLT MOVG NW OF SUMMIT. WEBCAM SHOW MDT VA EMS. NWP MDL WINDS NO CHG FCST AT FL NXT 6 HR. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20210419/0830Z