FVXX20 KNES 211104 VA ADVISORY DTG: 20190121/1104Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/074 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: FQT VA EMS OBS VA DTG: 21/1045Z OBS VA CLD: SFC/FL150 N0010 W07759 - S0004 W07739 - S0005 W07740 - S0002 W07803 - N0010 W07759 MOV W 10-15KT FCST VA CLD +6HR: 21/1700Z SFC/FL150 N0013 W07808 - S0005 W07739 - S0005 W07740 - S0004 W07813 - N0013 W07808 FCST VA CLD +12HR: 21/2300Z SFC/FL150 NO ASH EXP FCST VA CLD +18HR: 22/0500Z NO ASH EXP RMK: ONGOING VA EMS OBS IN STLT IMAGERY MOVING EAST FM SUMMIT AT FL150. NWP MODEL WIND GUIDANCE AGREES WITH TRAJECTORY. LTLCG TO FCST. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190121/1700Z