FVXX23 KNES 161930
VA ADVISORY
DTG: 20210916/1930Z

VAAC: WASHINGTON

VOLCANO: RUIZ 351020
PSN: N0453 W07519

AREA: COLOMBIA

SUMMIT ELEV: 17457 FT (5321 M)

ADVISORY NR: 2021/171

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

ERUPTION DETAILS: OCNL VA EMS OBS IN SUMMIT WEBCAM

OBS VA DTG: 16/1910Z

OBS VA CLD: SFC/FL190 N0505 W07523 - N0453 W07517
- N0452 W07520 - N0459 W07532 - N0505 W07523 MOV
NW 20KT 

FCST VA CLD +6HR: 17/0100Z SFC/FL190 N0503 W07529
- N0454 W07518 - N0452 W07519 - N0454 W07533 -
N0503 W07529 

FCST VA CLD +12HR: 17/0700Z NO VA EXP

FCST VA CLD +18HR: 17/1300Z NO VA EXP

RMK: OCNL VA EMS OBS IN SUMMIT WEBCAM. LOW CONF
IN VAA DUE TO WX CLDS. 1903Z VONA RPRT RECEIVED
FM SGC STATING PSBL VA EMS UNDER WX CLDS. VA
HGT/DIR FM NWP MDLS SHOWS A NW-LY TO WNW-LY MOVMT
TREND THRU T+6. ...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20210917/0130Z