FVXX23 KNES 082323 VA ADVISORY DTG: 20211208/2323Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2021/425 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. SERVICIO GEOLOGICO COLOMBIANO. ERUPTION DETAILS: OCNL VA EMS OBS IN SUMMIT WEBCAM OBS VA DTG: 08/2310Z OBS VA CLD: SFC/FL200 N0504 W07522 - N0453 W07518 - N0452 W07520 - N0458 W07529 - N0504 W07522 MOV NW 10KT FCST VA CLD +6HR: 09/0500Z SFC/FL200 N0510 W07523 - N0453 W07518 - N0452 W07520 - N0459 W07534 - N0510 W07523 FCST VA CLD +12HR: 09/1100Z NO VA EXP FCST VA CLD +18HR: 09/1700Z NO VA EXP RMK: OCNL VA EMS OBS IN WEBCAM MOVG NW FM SUMMIT. LOW CONF WITH VA EXT DUE TO WX CLDS. VA DIR/HGT FM 2258Z VONA RPRT FM SGC. NWP MDLS SHOWS CONT NW-LY MOVMT THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20211209/0530Z