FVXX24 KNES 152053 VA ADVISORY DTG: 20210815/2053Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2021/117 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. VOLCAT. SERVICIO GEOLOGICO COLOMBIANO. ERUPTION DETAILS: VA EMS OBS IN SUMMIT WEBCAM OBS VA DTG: 15/2030Z OBS VA CLD: SFC/FL205 N0504 W07522 - N0452 W07518 - N0452 W07520 - N0459 W07528 - N0504 W07522 MOV NW 10KT FCST VA CLD +6HR: 16/0230Z SFC/FL205 N0504 W07522 - N0453 W07517 - N0452 W07520 - N0459 W07528 - N0504 W07522 FCST VA CLD +12HR: 16/0830Z NO VA EXP FCST VA CLD +18HR: 16/1430Z NO VA EXP RMK: VA EMS OBS IN SUMMIT WEBCAM. LOW CONF IN VA EXT DUE TO WX CLDS. VA HGT/DIR FM 2015Z VONA RPRT FM SGC. NWP MLDS SHOWS A CONT NW-LY MOVMT THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210816/0300Z