FVXX23 KNES 011137
VA ADVISORY
DTG: 20211201/1137Z

VAAC: WASHINGTON

VOLCANO: RUIZ 351020
PSN: N0453 W07519

AREA: COLOMBIA

SUMMIT ELEV: 17457 FT (5321 M)

ADVISORY NR: 2021/394

INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. 

ERUPTION DETAILS: OCNL VA EMS.

OBS VA DTG: 01/1100Z

OBS VA CLD: SFC/FL220 N0501 W07531 - N0454 W07519
- N0453 W07519 - N0457 W07533 - N0501 W07531 MOV
W 10KT 

FCST VA CLD +6HR: 01/1700Z SFC/FL220 N0501 W07538
- N0454 W07519 - N0453 W07519 - N0449 W07538 -
N0501 W07538 

FCST VA CLD +12HR: 01/2300Z SFC/FL220 N0458
W07543 - N0453 W07519 - N0452 W07519 - N0447
W07541 - N0458 W07543 

FCST VA CLD +18HR: 02/0500Z SFC/FL220 N0456
W07541 - N0454 W07519 - N0452 W07519 - N0444
W07540 - N0456 W07541 

RMK: VA OBSD BY G16 MOVG WNW BLO HI WX CLD PTLY
OBSCG VIEW. VONA RPRTS VA TO ONLY JUST OVR FL180
BUT NWP MDLS SUGGEST VA TO FL220. NWP MDLS FCST
VA TO MOV W BY T+6 WITH LTLCG AFTR. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20211201/1730Z
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