FVXX23 KNES 270557 VA ADVISORY DTG: 20231227/0557Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/867 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: INTMT VA EMS. OBS VA DTG: 27/0520Z OBS VA CLD: SFC/FL150 S0003 W07747 - S0004 W07739 - S0005 W07739 - S0009 W07747 - S0003 W07747 MOV W 10KT FCST VA CLD +6HR: 27/1130Z SFC/FL150 S0000 W07759 - S0004 W07739 - S0005 W07739 - S0010 W07759 - S0000 W07759 FCST VA CLD +12HR: 27/1730Z NO VA EXP FCST VA CLD +18HR: 27/2330Z NO VA EXP RMK: VA CLD OBSD BY STLT MOVG WSW. VA CLD RPRTD BY VONA TO OVR 1 KM ABV SUMMIT MOVG W. VA NOT OBSD BY MOST RCNT WEBCAM IMAGERY. NWP MDLS SUGGEST VA UP TO FL150 AND FCST LTLCG IN WINDS BY T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20231227/1200Z