FVXX25 KNES 312332 VA ADVISORY DTG: 20241231/2332Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17319 FT (5279 M) ADVISORY NR: 2024/628 INFO SOURCE: GOES-16. VONA. NWP MODELS. ERUPTION DETAILS: VA CLDS RPRTD. OBS VA DTG: 31/2240Z OBS VA CLD: SFC/FL210 N0506 W07525 - N0453 W07519 - N0452 W07520 - N0501 W07528 - N0506 W07525 MOV N 20KT FCST VA CLD +6HR: 01/0430Z SFC/FL210 N0517 W07532 - N0453 W07518 - N0452 W07520 - N0507 W07543 - N0517 W07532 FCST VA CLD +12HR: 01/1030Z SFC/FL210 N0516 W07542 - N0453 W07519 - N0452 W07519 - N0501 W07552 - N0516 W07542 FCST VA CLD +18HR: 01/1630Z SFC/FL210 N0511 W07547 - N0453 W07519 - N0452 W07519 - N0458 W07553 - N0511 W07547 RMK: VONAS RPRT VA CLDS TO 800M ABV SUMMIT. NWP MDLS SUG FL MAY BE SLGTLY HIGHER. VA CLDS OBSD 15 NMI NNW OF SUMMIT. NWP MDLS FCST VA TO GRDLY BACK THRU T+18HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20250101/0530Z