FVXX24 KNES 210053 VA ADVISORY DTG: 20231221/0053Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/854 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA EMS OBS OBS VA DTG: 21/0010Z OBS VA CLD: SFC/FL150 S0012 W07731 - S0015 W07726 - S0018 W07730 - S0014 W07733 - S0012 W07731 MOV SE 10KT FCST VA CLD +6HR: 21/0600Z SFC/FL150 S0004 W07739 - S0017 W07720 - S0026 W07730 - S0005 W07740 - S0004 W07739 FCST VA CLD +12HR: 21/1200Z NO VA EXP FCST VA CLD +18HR: 21/1800Z NO VA EXP RMK: VA EMS OBS FM STLT DATA. VA CLD SEEN MV SE FM SUMMIT AREA. HOTSPOT DETECTED. WINDS EXP TO CONT TO SE THRU T+6 HRS. LTL CNFDNC IN MDL FCST. ...BROWN NXT ADVISORY: WILL BE ISSUED BY 20231221/0700Z