FVXX20 KNES 201626
VA ADVISORY
DTG: 20211220/1626Z

VAAC: WASHINGTON

VOLCANO: RUIZ 351020
PSN: N0453 W07519

AREA: COLOMBIA

SUMMIT ELEV: 17457 FT (5321 M)

ADVISORY NR: 2021/463

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

ERUPTION DETAILS: VA EMS OBS IN STLT AND SUMMIT
WEBCAM

OBS VA DTG: 20/1610Z

OBS VA CLD: SFC/FL200 N0508 W07525 - N0453 W07518
- N0452 W07520 - N0501 W07534 - N0508 W07525 MOV
NW 10KT 

FCST VA CLD +6HR: 20/2200Z SFC/FL200 N0513 W07525
- N0453 W07518 - N0452 W07520 - N0505 W07536 -
N0513 W07525 

FCST VA CLD +12HR: 21/0400Z SFC/FL200 N0515
W07520 - N0453 W07517 - N0452 W07520 - N0512
W07536 - N0515 W07520 

FCST VA CLD +18HR: 21/1000Z NO VA EXP

RMK: VA EMS OBS IN STLT/WEBCAM MOVG NW FM SUMMIT.
LOW CONF WITH VA EXT DUE TO WX CLDS. VA DIR/HGT
FM EARLIER VONA RPRT FM SGC. NWP MDLS SHOWS A
NW-LY TO N-LY MOVMT TREND THRU T+12. ...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20211220/2230Z
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