FVXX25 KNES 210256 VA ADVISORY DTG: 20211121/0256Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/670 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: POSSIBLE VA EM OBS VA DTG: 21/0241Z OBS VA CLD: SFC/FL190 N1911 W09836 - N1901 W09837 - N1901 W09837 - N1911 W09839 - N1911 W09836 MOV N 5KT FCST VA CLD +6HR: 21/0830Z NO VA EXP FCST VA CLD +12HR: 21/1430Z NO VA EXP FCST VA CLD +18HR: 21/2030Z NO VA EXP RMK: POSSIBLE VA EM SEEN ON STLT MOVG N FM SUMMIT. VA FL AND MOVT BASED ON IMAGERY AND NWP MODELS. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20211121/0900Z