FVXX23 KNES 161622 VA ADVISORY DTG: 20180916/1622Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2018/331 INFO SOURCE: GOES-EAST. RADIOSONDE. NWP MODELS. CIMSS VOLCAT. VOLCANO WEB CAMERA. ERUPTION DETAILS: ERUPTION AT 1455Z. OBS VA DTG: 16/1612Z OBS VA CLD: SFC/FL230 N1906 W09844 - N1905 W09837 - N1901 W09837 - N1859 W09843 - N1906 W09844 MOV NW 5KT FCST VA CLD +6HR: 16/2200Z SFC/FL230 NO ASH EXP FCST VA CLD +12HR: 17/0400Z NO ASH EXP FCST VA CLD +18HR: 17/1000Z NO ASH EXP RMK: AN ERUPTION WAS VISIBLE THRU CLD CVR IN WEB CAM AT 1455Z. VA OBS IN STLT IMAGERY MOV N AND NW FM SUMMIT. HGHT EST FM MMMX 12Z RADIOSONDE AS NWP MDLS DO NOT FORECAST WINDS OUT OF THE SOUTH. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20180916/2215Z