FVXX20 KNES 140507 VA ADVISORY DTG: 20201214/0507Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/1208 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: INCREASING VA EMS. OBS VA DTG: 14/0440Z OBS VA CLD: SFC/FL220 S0158 W07820 - S0201 W07818 - S0232 W07841 - S0215 W07859 - S0158 W07820 MOV SW 10KT FCST VA CLD +6HR: 14/1030Z SFC/FL220 S0158 W07820 - S0201 W07818 - S0250 W07932 - S0222 W07941 - S0158 W07820 FCST VA CLD +12HR: 14/1630Z SFC/FL220 S0159 W07820 - S0201 W07819 - S0251 W07931 - S0225 W07940 - S0159 W07820 FCST VA CLD +18HR: 14/2230Z SFC/FL220 S0158 W07820 - S0201 W07818 - S0252 W07932 - S0222 W07941 - S0158 W07820 RMK: DENSE VA CLD OBS EXT 40 NM SW FM SUMMIT. OBS VA FL ESTD FM NWP MDLS. FL WINDS EXP TO VEER SLIGHTLY THRU T+6 HRS THEN PERSIST THRU T+18 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20201214/1100Z