FVXX20 KNES 161633
VA ADVISORY
DTG: 20211216/1633Z

VAAC: WASHINGTON

VOLCANO: RUIZ 351020
PSN: N0453 W07519

AREA: COLOMBIA

SUMMIT ELEV: 17457 FT (5321 M)

ADVISORY NR: 2021/448

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

ERUPTION DETAILS: PSBL VA EMS OBS IN SUMMIT WEBCAM

OBS VA DTG: 16/1610Z

OBS VA CLD: SFC/FL200 N0453 W07520 - N0452 W07519
- N0444 W07522 - N0450 W07527 - N0453 W07520 MOV
SW 10KT 

FCST VA CLD +6HR: 16/2200Z SFC/FL200 N0454 W07520
- N0452 W07518 - N0441 W07523 - N0450 W07530 -
N0454 W07520 

FCST VA CLD +12HR: 17/0400Z NO VA EXP

FCST VA CLD +18HR: 17/1000Z NO VA EXP

RMK: PSBL VA EMS OBS IN SUMMIT WEBCAM. LOW CONF
WITH VAA DUE TO WX CLDS. VA DIR/HGT FM EARLIER
VONA RPRT FM SGC AND NWP MDLS WHICH SHOW CONT
SW-LY MOVMT THRU T+6. ...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20211216/2230Z
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