FVXX24 KNES 010455 VA ADVISORY DTG: 20210601/0455Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/455 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. RADIOSONDE. ERUPTION DETAILS: VA SEEN IN WEBCAM. OBS VA DTG: 01/0441Z OBS VA CLD: SFC/FL190 N1905 W09838 - N1859 W09836 - N1846 W09848 - N1855 W09856 - N1905 W09838 MOV 0KT FCST VA CLD +6HR: 01/1030Z SFC/FL190 N1905 W09838 - N1856 W09837 - N1839 W09919 - N1856 W09923 - N1905 W09838 FCST VA CLD +12HR: 01/1630Z NO VA EXP FCST VA CLD +18HR: 01/2230Z NO VA EXP RMK: VA SEEN IN WEBCAM TO ARND FL190. VA NOT SEEN IN SAT DUE TO MET CLDS. MODEL GUIDANCE SHOWS A MORE W MOV BY T+6 HRS. MOV AND HGT BASED ON SOUNDING AND NWP. ...KIBLER NXT ADVISORY: WILL BE ISSUED BY 20210601/1100Z