FVXX20 KNES 081434 VA ADVISORY DTG: 20210508/1434Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/452 INFO SOURCE: GUAYAQUIL MWO. WEBCAM. NWP MODELS. PILOT RPRT. ERUPTION DETAILS: POSS VA CLD. OBS VA DTG: 08/1400Z OBS VA CLD: SFC/FL210 S0155 W07831 - S0159 W07820 - S0201 W07820 - S0202 W07831 - S0155 W07831 MOV W 10KT FCST VA CLD +6HR: 08/2000Z NO VA EXP FCST VA CLD +12HR: 09/0200Z NO VA EXP FCST VA CLD +18HR: 09/0800Z NO VA EXP RMK: POSS SMALL LGT VA CLD RPRTD BY PILOT AND MWO. VA NOT OBS IN STLT. POSS EM OBS IN WEBCAM BUT PARTLY OBSTRUCTED VIS. FL BASED ON MWO. MVMT BASED ON NWP MODEL. ...JLEVINE NXT ADVISORY: WILL BE ISSUED BY 20210508/2030Z