FVXX20 KNES 211745
VA ADVISORY
DTG: 20211221/1745Z

VAAC: WASHINGTON

VOLCANO: RUIZ 351020
PSN: N0453 W07519

AREA: COLOMBIA

SUMMIT ELEV: 17457 FT (5321 M)

ADVISORY NR: 2021/469

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

ERUPTION DETAILS: NEW VA EMS OBS

OBS VA DTG: 21/1700Z

OBS VA CLD: SFC/FL220 N0511 W07511 - N0454 W07519
- N0505 W07531 - N0511 W07511 MOV N 10KT 

FCST VA CLD +6HR: 21/2300Z SFC/FL220 N0532 W07503
- N0454 W07519 - N0521 W07530 - N0532 W07503 

FCST VA CLD +12HR: 22/0500Z NO VA EXP

FCST VA CLD +18HR: 22/1100Z NO VA EXP

RMK: NEW DISCRETE VA EMS OBS MOV N FM SUMMIT. VA
FCST TO CONT N MOV THRU T+6HRS BEFORE DISP. VO
ACT LOW WITH DISCRETE EMS.  ...FISHER

NXT ADVISORY: WILL BE ISSUED BY 20211221/2345Z