FVXX22 KNES 290346 VA ADVISORY DTG: 20210829/0346Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2021/139 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA EM OBSD OBS VA DTG: 29/0320Z OBS VA CLD: SFC/FL210 N0505 W07529 - N0452 W07519 - N0452 W07520 - N0459 W07535 - N0505 W07529 MOV NW 15KT FCST VA CLD +6HR: 29/0930Z SFC/FL210 N0502 W07529 - N0454 W07520 - N0452 W07520 - N0456 W07535 - N0502 W07529 FCST VA CLD +12HR: 29/1530Z NO VA EXP FCST VA CLD +18HR: 29/2130Z NO VA EXP RMK: VA EM SEEN ON STLT IMAGERY MOV APPROX 15 NM NW FM SUMMIT. VA FL AND FRCST BASED ON IMAGERY AND NWP MODELS. LTLCG EXPCD AROUND FL. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20210829/0945Z