FVXX24 KNES 150851 VA ADVISORY DTG: 20181215/0851Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2018/573 INFO SOURCE: GOES-EAST. VOLCANO WEB CAMERA. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: VA EM OBS VA DTG: 15/0842Z OBS VA CLD: SFC/FL180 N1906 W09802 - N1858 W09802 - N1859 W09837 - N1902 W09837 - N1906 W09802 MOV E 10-15KT FCST VA CLD +6HR: 15/1430Z SFC/FL180 N1908 W09734 - N1854 W09734 - N1858 W09837 - N1902 W09837 - N1908 W09734 FCST VA CLD +12HR: 15/2030Z SFC/FL180 N1920 W09738 - N1908 W09737 - N1859 W09837 - N1902 W09837 - N1920 W09738 FCST VA CLD +18HR: 16/0230Z SFC/FL180 N1926 W09744 - N1915 W09739 - N1859 W09837 - N1902 W09838 - N1926 W09744 RMK: DISCRETE VA EM CONT TO BE SEEN IN STLT AND WEBCAM. VA MOV DUE E AND EXTND APRX 35 NM FROM SUMMIT. EARLIER VA EM DISP TO THE ESE. MORE VA EM EXPECTED TO BE EXPELLED THRU FCST PERIOD BASED ON RECENT ACT. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20181215/1445Z