Volcanic Ash Advisory Center Washington (VAAC) issued the following report:FVXX21 at 20:39 UTC, 13/11/25 from KNESVA ADVISORYDTG: 20251113/2035ZVAAC: WASHINGTONVOLCANO: SANGAY 352090PSN: S0200 W07820AREA: ECUADORSUMMIT ELEV: 17342 FT [5286 M]ADVISORY NR: 2025/852INFO SOURCE: GOES-19. VONA. NWP MODELS. ERUPTION DETAILS: VONA RPTD VA EMSEST VA DTG: 13/2000ZEST VA CLD: SFC/FL200 S0159 W07820 - S0200 W07820- S0208 W07825 - S0204 W07831 - S0159 W07820 MOVSW 10KT FCST VA CLD +6HR: 14/0200Z SFC/FL200 S0159 W07820- S0201 W07820 - S0208 W07834 - S0201 W07837 -S0159 W07820 FCST VA CLD +12HR: 14/0800Z SFC/FL200 S0159W07836 - S0159 W07820 - S0201 W07820 - S0207W07834 - S0159 W07836 FCST VA CLD +18HR: 14/1400Z SFC/FL200 S0156W07836 - S0159 W07820 - S0201 W07820 - S0204W07835 - S0156 W07836 RMK: VA EMS NOT VSBL IN STLT IMG DUE TO MET CLDS,BUT VA EMS MAY BE OBSCD. SW MVMT EXP TO SHIFT WSWBY T+6 HRS, AND EXP TO SHIFT W BY T+18 HRS. MVMTAND HGT BASED ON VONA, AND NWP MDLS. ...BERTALANNXT ADVISORY: WILL BE ISSUED BY 20251114/0245Z