FVXX22 KNES 270417 VA ADVISORY DTG: 20210527/0417Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/521 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PSBL VA EMS OBS OBS VA DTG: 27/0400Z OBS VA CLD: SFC/FL210 S0159 W07819 - S0202 W07819 - S0208 W07846 - S0201 W07846 - S0159 W07819 MOV W 10KT FCST VA CLD +6HR: 27/1000Z SFC/FL210 S0159 W07819 - S0201 W07819 - S0218 W07855 - S0202 W07902 - S0159 W07819 FCST VA CLD +12HR: 27/1600Z NO VA EXP FCST VA CLD +18HR: 27/2200Z NO VA EXP RMK: PSBL VA EMS OBS FM STLT DATA MOVG W TO ABT 20 NM FM SUMMIT. WX CLDS IN THE REGION MAY OBSC SOME VA NEAR SUMMIT. FL AND WINDS FM NWP ...MLEVINE NXT ADVISORY: WILL BE ISSUED BY 20210527/1015Z