FVXX20 KNES 191616
VA ADVISORY
DTG: 20211219/1616Z

VAAC: WASHINGTON

VOLCANO: RUIZ 351020
PSN: N0453 W07519

AREA: COLOMBIA

SUMMIT ELEV: 17457 FT (5321 M)

ADVISORY NR: 2021/458

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

ERUPTION DETAILS: OCNL VA EMS OBS IN STLT IMAGERY

OBS VA DTG: 19/1600Z

OBS VA CLD: SFC/FL210 N0508 W07527 - N0455 W07519
- N0452 W07521 - N0458 W07534 - N0508 W07527 MOV
NW 10KT 

FCST VA CLD +6HR: 19/2200Z SFC/FL210 N0515 W07525
- N0453 W07517 - N0452 W07520 - N0505 W07537 -
N0515 W07525 

FCST VA CLD +12HR: 20/0400Z NO VA EXP

FCST VA CLD +18HR: 20/1000Z NO VA EXP

RMK: OCNL VA EMS OBS IN STLT/WEBCAM MOVG NW FM
SUMMIT. LOW CONF WITH VAA EXT AND FCST DUE TO WX
CLDS. VA DIR/HGT FM EARLIER VONA RPRT FM SGC,
PREV VAA, AND STLT. NWP MDLS SHOWS A NW-LY TO
NNW-LY MOVMT TREND THRU T+6. ...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20211219/2215Z