FVXX20 KNES 280638 VA ADVISORY DTG: 20220928/0638Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2022/1021 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: POSS VA EMS OBS VA DTG: 28/0620Z OBS VA CLD: SFC/FL220 N0506 W07531 - N0454 W07519 - N0452 W07519 - N0501 W07534 - N0506 W07531 MOV NW 20KT FCST VA CLD +6HR: 28/1230Z SFC/FL220 N0504 W07531 - N0454 W07519 - N0452 W07520 - N0459 W07534 - N0504 W07531 FCST VA CLD +12HR: 28/1830Z NO VA EXP FCST VA CLD +18HR: 29/0030Z NO VA EXP RMK: VA EMS/CLDS NOT OBSD IN SAT DUE TO MET CLDS. VA FL/DIR BASED ON PREV VAA AND MDL GUIDANCE. NWP MDL FCST LTLCG THRU T+6HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20220928/1245Z