FVXX24 KNES 181238 VA ADVISORY DTG: 20190918/1238Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/866 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA EMS LIKELY OBS VA DTG: 18/1216Z OBS VA CLD: SFC/FL210 N1922 W09853 - N1901 W09837 - N1859 W09839 - N1910 W09904 - N1922 W09853 MOV NW 0KT FCST VA CLD +6HR: 18/1830Z SFC/FL210 N1915 W09850 - N1902 W09838 - N1900 W09839 - N1905 W09859 - N1915 W09850 FCST VA CLD +12HR: 19/0030Z SFC/FL210 NO ASH EXP FCST VA CLD +18HR: 19/0630Z NO ASH EXP RMK: VA NOT DESCERNIBLE ON STLT IMAGERY DUE TO MET CLD OBSCURATION. HOWEVER, VA OBSD ON WEB CAM. VA HEIGHT AND FRCST BASED ON IMAGERY AND MODEL GUIDANCE. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20190918/1845Z