FVXX20 KNES 230647 VA ADVISORY DTG: 20181223/0647Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/1216 INFO SOURCE: GOES-EAST. VOLCANO WEB CAMERA. NWP MODELS. CIMSS VOLCAT. GEOPHYSICAL INST. ERUPTION DETAILS: DISCRETE VA EM OBS VA DTG: 23/0630Z OBS VA CLD: SFC/FL170 S0000 W07759 - S0004 W07739 - S0005 W07739 - S0010 W07759 - S0000 W07759 MOV W 10KT FCST VA CLD +6HR: 23/1230Z SFC/FL170 N0002 W07802 - S0004 W07739 - S0005 W07739 - S0010 W07802 - N0002 W07802 FCST VA CLD +12HR: 23/1830Z SFC/FL170 N0010 W07804 - S0004 W07739 - S0005 W07739 - S0002 W07808 - N0010 W07804 FCST VA CLD +18HR: 24/0030Z SFC/FL170 N0016 W07806 - S0004 W07739 - S0005 W07739 - N0001 W07811 - N0016 W07806 RMK: VA EM OBS IN WEBCAM AROUND 23/0445 Z. NWP MODEL GUIDANCE AGREES WITH WESTWARD TRANSPORT. LTL CHG FCST. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20181223/1245Z