FVXX20 KNES 161133
VA ADVISORY
DTG: 20211216/1133Z

VAAC: WASHINGTON

VOLCANO: RUIZ 351020
PSN: N0453 W07519

AREA: COLOMBIA

SUMMIT ELEV: 17457 FT (5321 M)

ADVISORY NR: 2021/447

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

ERUPTION DETAILS: PSBL VA EMS

OBS VA DTG: 16/1100Z

OBS VA CLD: SFC/FL200 N0458 W07534 - N0455 W07518
- N0449 W07534 - N0458 W07534 MOV SW 10KT 

FCST VA CLD +6HR: 16/1700Z SFC/FL200 N0456 W07536
- N0455 W07518 - N0444 W07533 - N0456 W07536 

FCST VA CLD +12HR: 16/2300Z NO VA EXP

FCST VA CLD +18HR: 17/0500Z NO VA EXP

RMK: PSBL VA EMS MOV SW FM SUMMIT. VA NOT OBS IN
STLT IMAGERY DUE TO WX CLDS FCST BASED ON
CONTINUITY. VO ACT LOW.  ...FISHER

NXT ADVISORY: WILL BE ISSUED BY 20211216/1730Z
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