FVXX24 KNES 160353 VA ADVISORY DTG: 20180116/0353Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2018/027 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. VOLCANO WEB CAMERA. ERUPTION DETAILS: PSBL LGT VA EM OBS VA DTG: 16/0345Z OBS VA CLD: SFC/FL220 N1917 W09830 - N1913 W09820 - N1858 W09835 - N1901 W09839 - N1917 W09830 MOV NE 15KT FCST VA CLD +6HR: 16/1000Z SFC/FL220 NO ASH EXP FCST VA CLD +12HR: 16/1600Z NO ASH EXP FCST VA CLD +18HR: 16/2200Z NO ASH EXP RMK: PSBL LGT VA EM IS SEEN IN STLT IMAGERY MOV TO THE NE AND EXTD ABT 15 NMI FM SUMMIT. MODELS SUGGEST FL220 BASED ON NE MOV. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20180116/1000Z