FVXX20 KNES 160541
VA ADVISORY
DTG: 20211216/0541Z

VAAC: WASHINGTON

VOLCANO: RUIZ 351020
PSN: N0453 W07519

AREA: COLOMBIA

SUMMIT ELEV: 17457 FT (5321 M)

ADVISORY NR: 2021/446

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

ERUPTION DETAILS: CONT VA EMS OBS

OBS VA DTG: 16/0510Z

OBS VA CLD: SFC/FL200 N0458 W07525 - N0453 W07513
- N0447 W07529 - N0458 W07525 MOV W 10KT 

FCST VA CLD +6HR: 16/1100Z SFC/FL200 N0454 W07516
- N0446 W07528 - N0454 W07530 - N0454 W07516 

FCST VA CLD +12HR: 16/1700Z NO VA EXP

FCST VA CLD +18HR: 16/2300Z NO VA EXP

RMK: CONT VA EMS OBS SURROUNDING THE VA SUMMIT
AND MOV W TO SW IN STLT IMAGERY. VA FCST TO CONT
W TO SW MOV THRU T+6HRS BEFORE DISP.  ...FISHER

NXT ADVISORY: WILL BE ISSUED BY 20211216/1145Z