FVXX24 KNES 212327 VA ADVISORY DTG: 20170821/2327Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/228 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. OVSICORI-UNA. ERUPTION DETAILS: VA DISP OBS VA DTG: 21/2245Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST VA CLD +6HR: NO VA EXP FCST VA CLD +12HR: NO VA EXP FCST VA CLD +18HR: NO VA EXP RMK: IN ITS DAILY RPRT VO INDICATED THAT APART FROM THE EARLIER EM, ONLY GASES HAVE BEEN EMITTED. ...TURK NXT ADVISORY: NO FURTHER ADVISORIES