FVXX20 KNES 201853 VA ADVISORY DTG: 20200720/1853Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/693 INFO SOURCE: GOES-EAST. VONA. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 20/1820Z OBS VA CLD: SFC/FL200 S0146 W07922 - S0159 W07820 - S0201 W07819 - S0210 W07923 - S0146 W07922 MOV W 15-20KT FCST VA CLD +6HR: 21/0030Z SFC/FL200 S0146 W07922 - S0200 W07819 - S0201 W07820 - S0206 W07922 - S0146 W07922 FCST VA CLD +12HR: 21/0630Z NO VA EXP FCST VA CLD +18HR: 21/1230Z NO VA EXP RMK: LIKELY VA WITHIN THE STEAM AND CLOUD STREET THAT ATTACHES TO AND EXTENDS WELL W OF SUMMIT. VA EXTENDS DOWNWIND NEARLY 100 NM. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20200721/0100Z