FVXX20 KNES 262036 VA ADVISORY DTG: 20180126/2036Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2018/050 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 26/2015Z OBS VA CLD: SFC/FL210 N1923 W09823 - N1923 W09823 - N1922 W09819 - N1902 W09832 - N1904 W09837 - N1923 W09823 MOV NE 15-20KT FCST VA CLD +6HR: 27/0230Z SFC/FL210 N1927 W09817 - N1922 W09813 - N1900 W09832 - N1904 W09837 - N1905 W09834 - N1927 W09817 FCST VA CLD +12HR: 27/0830Z SFC/FL210 N1918 W09808 - N1910 W09806 - N1901 W09833 - N1905 W09835 - N1905 W09835 - N1918 W09808 FCST VA CLD +18HR: 27/1430Z SFC/FL210 N1917 W09806 - N1911 W09804 - N1902 W09831 - N1907 W09833 - N1904 W09834 - N1917 W09806 RMK: VA EMS EXTD NE 25 NM FROM THE SUMMIT THROUGH 2002Z. VA IS SEEN FROM WEBCAM. VA BOUNDARY IS DIFFICULT TO DISCERN IN STLT IMAGE DUE TO WX CLDS ...RAMIREZ/ZHU NXT ADVISORY: WILL BE ISSUED BY 20180127/0230Z