FVXX21 KNES 211608 VA ADVISORY DTG: 20180721/1608Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2018/274 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: CONT VA EMS OBS VA DTG: 21/1557Z OBS VA CLD: SFC/FL200 N1858 W09909 - N1855 W09908 - N1846 W09944 - N1854 W09946 - N1858 W09909 MOV W 30KT FCST VA CLD +6HR: 21/2200Z SFC/FL200 N1854 W09946 - N1846 W09944 - N1835 W10044 - N1850 W10046 - N1854 W09946 FCST VA CLD +12HR: 22/0400Z SFC/FL200 NO ASH EXP FCST VA CLD +18HR: 22/1000Z NO ASH EXP RMK: VA EMS FROM 21/0730 AND 21/0942 OBS MOV WSW FROM SUMMIT. NWP MDLS SUGGEST CONT MOV WSW THROUGH +6HRS. ...FISHER NXT ADVISORY: NO FURTHER ADVISORIES