FVXX21 KNES 282234 VA ADVISORY DTG: 20170928/2234Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/264 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. NWP MODELS. VOLCANO WEB CAMERA. OVSICORI-UNA. ERUPTION DETAILS: NEW EMS AT 28/2123Z REPORTED BY OVSICORI-UNA OBS VA DTG: 28/2200Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL135 090/0-5KT FCST VA CLD +6HR: 29/0400Z FCST VA CLD +12HR: 29/1000Z FCST VA CLD +18HR: 29/1600Z RMK: NO VA IS OBSERVED IN IMAGERY OR WEBCAM ALTHOUGH THERE ARE EXTENSIVE WX CLOUDS PRESENT. OVSICORI-UNA REPORTS VA TO 800M ABOVE SUMMIT AT 28/2123Z ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20170929/0430Z