FVXX24 KNES 161233 VA ADVISORY DTG: 20210816/1233Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2021/119 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA CLD OBSD. OBS VA DTG: 16/1210Z OBS VA CLD: SFC/FL190 N0455 W07527 - N0453 W07519 - N0452 W07519 - N0452 W07528 - N0455 W07527 MOV W 15KT FCST VA CLD +6HR: 16/1800Z SFC/FL190 N0502 W07535 - N0454 W07519 - N0452 W07519 - N0454 W07537 - N0502 W07535 FCST VA CLD +12HR: 17/0000Z NO VA EXP FCST VA CLD +18HR: 17/0600Z NO VA EXP RMK: VA CLD RPRTD BY VONA AT 1201Z MOVG NW. VA ALSO OBSD IN WEBCAM AND LKLY BY G16 STLT MOVG WNW. NWP MDLS AGREE AND FCST VA TO MOV NW BY T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20210816/1830Z