FVXX23 KNES 301804 VA ADVISORY DTG: 20211130/1804Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2021/391 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: CONTG VA EMS OBS IN SAT. OBS VA DTG: 30/1740Z OBS VA CLD: SFC/FL210 N0508 W07529 - N0454 W07518 - N0453 W07520 - N0458 W07537 - N0508 W07529 MOV NW 15KT FCST VA CLD +6HR: 30/2330Z SFC/FL210 N0515 W07540 - N0454 W07518 - N0453 W07520 - N0504 W07550 - N0515 W07540 FCST VA CLD +12HR: 01/0530Z NO VA EXP FCST VA CLD +18HR: 01/1130Z NO VA EXP RMK: OCNL VA EMS OBS IN SAT MOV NW 20 NM FM SUMMIT. OBS VA FL ESTD FM NWP MDLS WITH LOWER CONFIDENCE. WEBCAM OBSCD BY MET CLDS. LTLCG FCST IN FL WINDS THRU T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20211201/0000Z