FVXX20 KNES 242015 VA ADVISORY DTG: 20170824/2015Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/231 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA NOT DETECTED OBS VA DTG: 24/1945Z 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: RECENT WEB CAM IMAGERY SHOWS ONLY STEAM AND GASES ESCAPING SUMMIT. NO VA SEEN IN WEB CAM OR STLT. ...VELASCO NXT ADVISORY: NO FURTHER ADVISORIES