FVXX20 KNES 081415 VA ADVISORY DTG: 20190808/1415Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/674 INFO SOURCE: VOLCAT. RADIOSONDE. ERUPTION DETAILS: VA DETECTED IN STLT OBS VA DTG: 08/1406Z OBS VA CLD: SFC/FL200 N1913 W09841 - N1907 W09837 - N1903 W09845 - N1908 W09848 - N1913 W09841 MOV NW 10-15KT FCST VA CLD +6HR: 08/2000Z SFC/FL200 NO ASH EXP FCST VA CLD +12HR: 09/0200Z NO ASH EXP FCST VA CLD +18HR: 09/0800Z NO ASH EXP RMK: SKIES CLEARED SUFFICIENTLY TO DETECT A VA CLD CENTERED 10 NM NW OF THE SUMMIT. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20190808/2015Z