FVXX21 KNES 261600 VA ADVISORY DTG: 20230926/1600Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/689 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: FRQT DISCRETE EMS OBS VA DTG: 26/1520Z OBS VA CLD: SFC/FL230 S0120 W07928 - S0200 W07819 - S0202 W07820 - S0134 W07935 - S0120 W07928 MOV NW 20KT FCST VA CLD +6HR: 26/2130Z SFC/FL230 S0134 W07926 - S0159 W07820 - S0201 W07820 - S0159 W07932 - S0134 W07926 FCST VA CLD +12HR: 27/0330Z SFC/FL230 S0152 W07901 - S0159 W07819 - S0201 W07820 - S0210 W07902 - S0152 W07901 FCST VA CLD +18HR: 27/0930Z NO VA EXP RMK: LGT VA OBS IN STLT IMAGERY REACHING APPRX 80NM NW FM SUMMIT BUT DISSIPATING. FRQT VA EMS OBS CLOSER TO SUMMIT MOVG NW. VA FL BASED ON WEBCAM. VA FCST THRU T+12 HRS BASED ON NWP MDLS. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20230926/2200Z