Volcanic Ash Advisory Center Washington (VAAC) issued the following report:
FVXX24 at 08:06 UTC, 23/11/25 from KNES
VA ADVISORY
DTG: 20251123/0804Z
VAAC: WASHINGTON
VOLCANO: RUIZ 351020
PSN: N0453 W07519
AREA: COLOMBIA
SOURCE ELEV: 17319 FT AMSL
ADVISORY NR: 2025/559
INFO SOURCE: GOES-19. VONA. NWP MODELS.
ERUPTION DETAILS: VA EM DETECTED
EST VA DTG: 23/0740Z
EST VA CLD: SFC/FL210 N0507 W07527 – N0453 W07517
– N0451 W07520 – N0458 W07537 – N0507 W07527 MOV
NW 5KT
FCST VA CLD +6HR: 23/1330Z SFC/FL210 N0508 W07538
– N0454 W07518 – N0452 W07519 – N0456 W07545 –
N0508 W07538
FCST VA CLD +12HR: 23/1930Z NO VA EXP
FCST VA CLD +18HR: 24/0130Z NO VA EXP
RMK: VONA RCVD FOR VA EM MOVNG NW FM SUMMIT. VA
NOT OBS IN STLT IMG DUE TO HVY MET CLD CVR. EXP
WNW MOVNT THRU T+6 HRS. OBS DIR BSD ON VONA. FL
AND FCST BSD ON NWP MDLS. …LINER
NXT ADVISORY: WILL BE ISSUED BY 20251123/1400Z