FVXX20 KNES 300827 VA ADVISORY DTG: 20190730/0827Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/630 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 30/0811Z OBS VA CLD: SFC/FL210 N1929 W09922 - N1910 W09839 - N1902 W09835 - N1859 W09837 - N1914 W09930 - N1924 W09932 - N1929 W09922 MOV NW 25-30KT FCST VA CLD +6HR: 30/1400Z SFC/FL210 N1917 W09913 - N1903 W09835 - N1859 W09837 - N1902 W09905 - N1900 W09934 - N1912 W09933 - N1917 W09913 FCST VA CLD +12HR: 30/2000Z SFC/FL210 N1905 W09911 - N1903 W09835 - N1900 W09836 - N1855 W09855 - N1838 W09926 - N1844 W09934 - N1855 W09929 - N1905 W09911 FCST VA CLD +18HR: 31/0200Z SFC/FL210 N1904 W09837 - N1901 W09835 - N1836 W09852 - N1825 W09907 - N1829 W09922 - N1842 W09913 - N1904 W09837 RMK: MULTIPLE DISCRETE VA EMS VISIBLE IN STLT IMAGERY MOV NW FM SUMMIT FL210. NWP MODELS SUGGEST BACKING WINDS FOR T+6, 12, 18 HRS. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190730/1430Z