FVXX20 KNES 160859 VA ADVISORY DTG: 20190316/0859Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/246 INFO SOURCE: GOES-EAST. VOLCAT. RADIOSONDE. ERUPTION DETAILS: VA DETECTED IN STLT IMAGERY OBS VA DTG: 16/0847Z OBS VA CLD: SFC/FL220 N1927 W09819 - N1923 W09816 - N1918 W09821 - N1921 W09824 - N1927 W09819 MOV NE 15-20KT FCST VA CLD +6HR: 16/1500Z SFC/FL220 NO ASH EXP FCST VA CLD +12HR: 16/2100Z NO ASH EXP FCST VA CLD +18HR: 17/0300Z NO ASH EXP RMK: SMALL VA CLD WAS CENTERED 18 NM NE OF THE SUMMIT AND DISP RAPIDLY. LOW CONFIDENCE IN HGT DUE TO UNIDIRECTIONAL FLOW THROUGHOUT LARGE AMOUNT OF ATMOSPHERE. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20190316/1500Z