FVXX24 KNES 211238 VA ADVISORY DTG: 20190821/1238Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/739 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: OCNL EM OBS VA DTG: 21/1200Z OBS VA CLD: SFC/FL190 N1905 W09837 - N1859 W09835 - N1843 W09957 - N1850 W09958 - N1905 W09837 MOV SW 15-20KT FCST VA CLD +6HR: 21/1800Z SFC/FL190 N1911 W10017 - N1906 W09835 - N1858 W09835 - N1854 W10016 - N1911 W10017 FCST VA CLD +12HR: 22/0000Z SFC/FL190 N1949 W09932 - N1901 W09830 - N1856 W09838 - N1926 W09952 - N1949 W09932 FCST VA CLD +18HR: 22/0600Z SFC/FL190 N1957 W09902 - N1901 W09830 - N1857 W09840 - N1947 W09928 - N1957 W09902 RMK: BROKEN PLUME OF VA EXT 75 NM WSW OF THE SUMMIT. EM FCST TO VEER OVR NXT 18 HRS. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20190821/1845Z