FVXX21 KNES 121847 VA ADVISORY DTG: 20220512/1847Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2022/497 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS OBS VA DTG: 12/1800Z OBS VA CLD: SFC/FL200 S0152 W07858 - S0159 W07819 - S0207 W07858 - S0152 W07858 MOV W 10KT FCST VA CLD +6HR: 13/0000Z SFC/FL200 S0151 W07857 - S0159 W07819 - S0208 W07859 - S0151 W07857 FCST VA CLD +12HR: 13/0600Z NO VA EXP FCST VA CLD +18HR: 13/1200Z NO VA EXP RMK: LGT VA EMS AND GAS OBS MOV W IN STLT IMAGERY. VA AND GAS FCST TO CONT W MOV THRU T+6HRS BEFORE DISP. VO ACT LOW. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20220513/0045Z