FVXX20 KNES 011517 VA ADVISORY DTG: 20210601/1517Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/537 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS VA DTG: 01/1450Z OBS VA CLD: SFC/FL240 S0128 W07822 - S0159 W07820 - S0129 W07831 - S0128 W07822 MOV N 10KT FCST VA CLD +6HR: 01/2100Z SFC/FL240 S0128 W07816 - S0159 W07820 - S0128 W07828 - S0128 W07816 FCST VA CLD +12HR: 02/0300Z SFC/FL240 S0126 W07815 - S0159 W07820 - S0126 W07826 - S0126 W07815 FCST VA CLD +18HR: 02/0900Z NO VA EXP RMK: CONT VA EMS OBS MOV N FM SUMMIT. VA MOV SUGGEST SOME VAR IN WINDS THRU T+12HRS. VO ACT MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20210601/2115Z