FVXX24 KNES 131533 VA ADVISORY DTG: 20210813/1533Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2021/111 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. SERVICIO GEOLOGICO COLOMBIANO. ERUPTION DETAILS: PSBL VA EMS OBS IN SUMMIT WEBCAM OBS VA DTG: 13/1510Z OBS VA CLD: SFC/FL190 N0505 W07526 - N0455 W07518 - N0452 W07520 - N0457 W07532 - N0505 W07526 MOV NW 15KT FCST VA CLD +6HR: 13/2100Z NO VA EXP FCST VA CLD +12HR: 14/0300Z NO VA EXP FCST VA CLD +18HR: 14/0900Z NO VA EXP RMK: VA NOT SEEN IN STLT. PSBL VA EMS RPRT 143GZ VONA FM SGC. LOW CONF IN VAA DUE TO WX CLDS. VA HGT/DIR FM NWP MDLS SHOWS CONT NW-LY MOVMT WITH VA DISP PRIOR TO T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210813/2130Z