FVXX22 KNES 120421 VA ADVISORY DTG: 20230712/0421Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17693 FT (5393 M) ADVISORY NR: 2023/821 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS CONT OBS VA DTG: 12/0406Z OBS VA CLD: SFC/FL200 N1908 W09904 - N1902 W09837 - N1901 W09837 - N1903 W09905 - N1908 W09904 MOV W 15KT FCST VA CLD +6HR: 12/1000Z SFC/FL200 N1905 W09915 - N1902 W09837 - N1901 W09837 - N1859 W09916 - N1905 W09915 FCST VA CLD +12HR: 12/1600Z NO VA EXP FCST VA CLD +18HR: 12/2200Z NO VA EXP RMK: INTMT VA PUFF DETECTED ON STLT MOVG WNW OF SUMMIT. WX CLDS CVR MUCH OF SUMMIT AREA. MDL WINDS AT FL FCST TO BACK A BIT NXT 6 HR BECMG MORE FM THE E. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20230712/1015Z