FVXX22 KNES 151302 VA ADVISORY DTG: 20210915/1302Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/555 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS MOV NW OBS VA DTG: 15/1231Z OBS VA CLD: SFC/FL210 N1915 W09856 - N1901 W09838 - N1859 W09838 - N1907 W09904 - N1915 W09856 MOV NW 10KT FCST VA CLD +6HR: 15/1830Z SFC/FL210 N1929 W09914 - N1902 W09837 - N1858 W09837 - N1911 W09932 - N1929 W09914 FCST VA CLD +12HR: 16/0030Z SFC/FL210 N1928 W09925 - N1902 W09835 - N1859 W09838 - N1909 W09936 - N1928 W09925 SFC/FL210 N1927 W09933 - N1902 W09837 - N1858 W09834 - N1904 W09940 - N1927 W09933 FCST VA CLD +18HR: 16/0630Z RMK: VA IS OBS MOV NW UP TO 25NM FM THE SUMMIT. NWP MDL INDICATE A CONT NW TO WNW MOV THRU T+18HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20210915/1900Z