FVXX25 KNES 250834 VA ADVISORY DTG: 20241225/0834Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2024/729 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: OCSL VA EMS OBSD OBS VA DTG: 25/0750Z OBS VA CLD: SFC/FL200 S0159 W07821 - S0159 W07820 - S0208 W07823 - S0204 W07828 - S0159 W07821 MOV SW 10KT FCST VA CLD +6HR: 25/1400Z SFC/FL200 S0155 W07837 - S0159 W07820 - S0201 W07819 - S0205 W07838 - S0155 W07837 FCST VA CLD +12HR: 25/2000Z SFC/FL200 S0150 W07836 - S0200 W07820 - S0202 W07820 - S0200 W07838 - S0150 W07836 FCST VA CLD +18HR: 26/0200Z NO VA EXP RMK: VA EMS OBSD IN WEBCAM AND STLT IMG EXTG APPRX 10 NM SW FM SUMMIT. SW MVMT EXP TO SHIFT W BY T+6 HRS AND TO SHIFT WNW BY T+12 HRS. MVMT AND HGT BASED ON WEBCAM, STLT OBS AND NWP MDLS. ...BERTALAN NXT ADVISORY: WILL BE ISSUED BY 20241225/1430Z