FVXX22 KNES 040540
VA ADVISORY
DTG: 20230604/0540Z

VAAC: WASHINGTON

VOLCANO: RUIZ 351020
PSN: N0453 W07519

AREA: COLOMBIA

SUMMIT ELEV: 17319 FT (5279 M)

ADVISORY NR: 2023/313

INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS.
SERVICIO GEOLOGICO COLOMBIANO. 

ERUPTION DETAILS: VA EMS OBSD

OBS VA DTG: 04/0520Z

OBS VA CLD: SFC/FL210 N0459 W07526 - N0455 W07519
- N0452 W07519 - N0455 W07528 - N0459 W07526 MOV
NW 5KT 

FCST VA CLD +6HR: 04/1130Z SFC/FL210 N0458 W07533
- N0455 W07519 - N0453 W07518 - N0449 W07532 -
N0458 W07533 

FCST VA CLD +12HR: 04/1730Z NO VA EXP

FCST VA CLD +18HR: 04/2330Z NO VA EXP

RMK: VA EMS OBSD IN SAT AND WEBCAM. VA CLDS EXTD
APPX 10NMI NW FM SUMMIT. VONA RECEIVED. VA FL/DIR
BASED ON RPRT AND SAT. MDL DOES NOT AGREE WELL
WITH OBS THUS GCST CONFIDENCE IS LOW.  ...ZENG

NXT ADVISORY: WILL BE ISSUED BY 20230604/1145Z