FVXX23 KNES 111020 VA ADVISORY DTG: 20180411/1020Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2018/171 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: POSS VA OBS VA DTG: /Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL200 270/5KT FCST VA CLD +6HR: 11/1600Z FCST VA CLD +12HR: 11/2200Z FCST VA CLD +18HR: 12/0400Z RMK: POSS VA EMS OBS IN WEB CAMERA. NWP GUIDANCE SUGGEST WINDS OUT OF THE W AT FL200 ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20180411/1615Z