FVXX23 KNES 010540
VA ADVISORY
DTG: 20211201/0540Z

VAAC: WASHINGTON

VOLCANO: RUIZ 351020
PSN: N0453 W07519

AREA: COLOMBIA

SUMMIT ELEV: 17457 FT (5321 M)

ADVISORY NR: 2021/393

INFO SOURCE: GOES-16. VONA. NWP MODELS. 

ERUPTION DETAILS: INTMT VA EMS.

OBS VA DTG: 01/0510Z

OBS VA CLD: SFC/FL220 N0501 W07559 - N0454 W07519
- N0453 W07519 - N0457 W07559 - N0501 W07559 MOV
W 15KT 

FCST VA CLD +6HR: 01/1100Z SFC/FL220 N0504 W07604
- N0454 W07519 - N0453 W07519 - N0456 W07604 -
N0504 W07604 

FCST VA CLD +12HR: 01/1700Z SFC/FL220 N0458
W07604 - N0454 W07519 - N0453 W07519 - N0448
W07559 - N0458 W07604 

FCST VA CLD +18HR: 01/2300Z SFC/FL220 N0454
W07519 - N0452 W07519 - N0443 W07602 - N0452
W07604 - N0454 W07519 

RMK: VA CLRLY OBSD BY G16 UNTIL 0430Z WHEN VA CLD
MOVD BLO WX CLD BUT STILL DISCERNIBLE. VA CLD OVR
40 NMI W OF SUMMIT. VONA RPRTS PSBL VA EM AT
0452Z. NWP MDL FCSTS AGREE WITH OBS AND FCST SLGT
BACKING WSHFT BTWN T+6 AND T+12. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20211201/1145Z