FVXX21 KNES 192121 VA ADVISORY DTG: 20190319/2121Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/261 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA EM OBS VA DTG: 19/2100Z OBS VA CLD: SFC/FL200 N1902 W09837 - N1901 W09819 - N1853 W09822 - N1859 W09838 - N1902 W09837 MOV E 25-30KT FCST VA CLD +6HR: 20/0300Z SFC/FL200 N1902 W09837 - N1856 W09728 - N1840 W09731 - N1859 W09837 - N1902 W09837 FCST VA CLD +12HR: 20/0900Z SFC/FL200 NO ASH EXP FCST VA CLD +18HR: 20/1500Z NO ASH EXP RMK: CONS VA EM DETECTED IN STLT EXTND APRX 17 NM FROM SUMMIT. VCY CLEAR OF MET CLDS. CONFIDENCE LOW IN DURATION OF CURRENT VA EM EVENT ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20190320/0315Z