FVXX23 KNES 211540 VA ADVISORY DTG: 20181121/1540Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2018/512 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. VOLCANO WEB CAMERA. ERUPTION DETAILS: CONS EM OF STEAM, WATER VAPOR AND PSBL LGT VA OBS VA DTG: 21/1502Z OBS VA CLD: SFC/FL200 N1918 W09759 - N1908 W09759 - N1907 W09818 - N1901 W09835 - N1902 W09841 - N1915 W09829 - N1918 W09759 MOV NE 5-10KT FCST VA CLD +6HR: 21/2100Z SFC/FL200 N1934 W09802 - N1914 W09746 - N1857 W09836 - N1904 W09839 - N1934 W09802 FCST VA CLD +12HR: 22/0300Z SFC/FL200 NO ASH EXP FCST VA CLD +18HR: 22/0900Z NO ASH EXP RMK: A PLUME PSBLY CONTAINING LGT VA EXT 30 NM NE OF THE SUMMIT. PLUME WAS BECOMING DIFFUSE AND WEB CAM SUGGESTS MOSTLY STEAM ATTM. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20181121/2145Z