FVXX20 KNES 300617 VA ADVISORY DTG: 20180130/0617Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2018/066 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING ACT OBS VA DTG: 30/0607Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL230 180/20-25KT FCST VA CLD +6HR: 30/1200Z FCST VA CLD +12HR: 30/1800Z FCST VA CLD +18HR: 31/0000Z RMK: VA CANNOT BE SEEN IN STLT IMAGERY DUE TO CLD CVR. WEBCAM SHOWS INTERMITTENT EMS WITH PSBL VA. MODELS SUGGEST MOV TO THE N AT FL230. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20180130/1215Z