FVXX20 KNES 301306 VA ADVISORY DTG: 20210730/1306Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/742 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA SEEN IN SAT. OBS VA DTG: 30/1240Z OBS VA CLD: SFC/FL200 S0155 W07749 - S0205 W07749 - S0202 W07819 - S0158 W07820 - S0155 W07749 MOV E 10KT FCST VA CLD +6HR: 30/1830Z SFC/FL200 S0139 W07750 - S0151 W07748 - S0201 W07820 - S0158 W07822 - S0139 W07750 FCST VA CLD +12HR: 31/0030Z NO VA EXP FCST VA CLD +18HR: 31/0630Z NO VA EXP RMK: VA SEEN IN SAT MOV E FM SUMMIT. MODELGUIDANCE DOES NOT AGREE WITH MOV OF VA. CONFIDENCE IN FCST IS LOW. MOV IS BASED ON SAT. ...KIBLER NXT ADVISORY: WILL BE ISSUED BY 20210730/1900Z