Volcanic Ash Advisory Center Washington (VAAC) issued the following report:
FVXX21 at 08:46 UTC, 26/11/25 from KNES
VA ADVISORY
DTG: 20251126/0844Z
VAAC: WASHINGTON
VOLCANO: RUIZ 351020
PSN: N0453 W07519
AREA: COLOMBIA
SOURCE ELEV: 17319 FT AMSL
ADVISORY NR: 2025/563
INFO SOURCE: GOES-19. VONA. NWP MODELS. SERVICIO
GEOLOGICO COLOMBIANO.
ERUPTION DETAILS: VONA RPRTS OF POSS VA EMS
EST VA DTG: 26/0820Z
EST VA CLD: SFC/FL190 N0518 W07527 – N0455 W07519
– N0453 W07519 – N0505 W07537 – N0518 W07527 MOV
NW 15KT
FCST VA CLD +6HR: 26/1430Z SFC/FL190 N0517 W07533
– N0453 W07517 – N0452 W07520 – N0502 W07545 –
N0517 W07533
FCST VA CLD +12HR: 26/2030Z NO VA EXP
FCST VA CLD +18HR: 27/0230Z NO VA EXP
RMK: VONA RPRTS INDICATE POSS VA EMS BASED ON
SEISMIC SIGNAL. VA NOT SEEN IN SAT DUE TO MET
CLDS. GUIDANCE SHOWS A NW-LY MOV THRU T+6 HRS.
MOV AND HGT BASED ON MODEL GUIDANCE. …KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20251126/1445Z