FVXX21 KNES 281813 VA ADVISORY DTG: 20180728/1813Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/158 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: NEW VA EM. OBS VA DTG: 28/1745Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL120 090/5-10KT FCST VA CLD +6HR: 29/0000Z FCST VA CLD +12HR: 29/0600Z FCST VA CLD +18HR: 29/1200Z RMK: VA SEEN IN RECENT WEBCAM IMAGERY BUT NOT IN STLT IMAGERY DUE TO CLD COVER. VA EMITTING TO JUST ABOVE SUMMIT AND DRIFTING W. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20180729/0015Z