FVXX24 KNES 170757 VA ADVISORY DTG: 20190917/0757Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/861 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: OCNL VA EMS. OBS VA DTG: 17/0726Z OBS VA CLD: SFC/FL200 N1925 W09857 - N1901 W09837 - N1859 W09837 - N1917 W09906 - N1925 W09857 MOV NW 15-20KT FCST VA CLD +6HR: 17/1330Z SFC/FL200 N1926 W09902 - N1901 W09837 - N1900 W09837 - N1917 W09910 - N1926 W09902 FCST VA CLD +12HR: 17/1930Z SFC/FL200 NO ASH EXP FCST VA CLD +18HR: 18/0130Z NO ASH EXP RMK: MULT VA EM OBSD IN WEBCAM. MULT VA CLD OBSD IN G16 STLT IMAGERY. NWP MDL FCSTS AGREE WITH OBS. NWP MDLS FCST LTLCG IN WIND THRU T+6. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20190917/1400Z