FVXX20 KNES 190338 VA ADVISORY DTG: 20230819/0338Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/593 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: CONTG VA EMS. OBS VA DTG: 19/0310Z OBS VA CLD: SFC/FL230 S0114 W07903 - S0157 W07819 - S0159 W07820 - S0127 W07914 - S0114 W07903 MOV NW 10KT FCST VA CLD +6HR: 19/0900Z SFC/FL230 S0116 W07905 - S0158 W07820 - S0200 W07820 - S0134 W07918 - S0116 W07905 FCST VA CLD +12HR: 19/1500Z SFC/FL230 S0111 W07905 - S0158 W07819 - S0200 W07821 - S0132 W07919 - S0111 W07905 FCST VA CLD +18HR: 19/2100Z SFC/FL230 S0114 W07905 - S0158 W07819 - S0201 W07822 - S0133 W07918 - S0114 W07905 RMK: CONS VA EMS OBS EXT UP TO 65 NM NW FM SUMMIT. OBS VA FL ESTD FM NWP MDLS. FL MVMT EXP TO PERSIST THRU T+18 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20230819/0945Z