FVXX24 KNES 280825 VA ADVISORY DTG: 20190828/0825Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/770 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 28/0806Z OBS VA CLD: SFC/FL210 N1919 W09857 - N1901 W09836 - N1857 W09838 - N1913 W09901 - N1919 W09857 MOV NW 10-15KT FCST VA CLD +6HR: 28/1400Z SFC/FL210 N1914 W09903 - N1901 W09836 - N1859 W09836 - N1903 W09906 - N1914 W09903 FCST VA CLD +12HR: 28/2000Z SFC/FL210 N1910 W09906 - N1901 W09837 - N1900 W09836 - N1901 W09905 - N1910 W09906 FCST VA CLD +18HR: 29/0200Z SFC/FL210 N1901 W09838 - N1859 W09835 - N1840 W09859 - N1849 W09905 - N1901 W09838 RMK: VA EMS VISIBLE IN STLT IMAGERY MOV NW FM SUMMIT FL210. NWP MODELS AGREE WITH OBS TRAJECTORY AND SUGGEST BACKING WINDS THRU T+18 HRS. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190828/1430Z