FVXX21 KNES 160544 VA ADVISORY DTG: 20230916/0544Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/659 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: POSS VA EMS OBS VA DTG: 16/0510Z OBS VA CLD: SFC/FL200 S0157 W07835 - S0159 W07820 - S0202 W07820 - S0205 W07835 - S0157 W07835 MOV W 15KT FCST VA CLD +6HR: 16/1100Z SFC/FL200 S0154 W07845 - S0159 W07819 - S0201 W07819 - S0208 W07845 - S0154 W07845 FCST VA CLD +12HR: 16/1700Z NO VA EXP FCST VA CLD +18HR: 16/2300Z NO VA EXP RMK: VA IS CURRENTLY NOT OBS ON STLT. HOT SPOT CAN BE SEEN. VA IS DRAWN BASED ON PREV VAA AND NWP MDL WND. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20230916/1145Z