FVXX23 KNES 310327 VA ADVISORY DTG: 20180131/0327Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/027 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: ONGOING EMS OBS VA DTG: 31/0300Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL130 90/15-20KT FCST VA CLD +6HR: 31/0900Z FCST VA CLD +12HR: 31/1500Z FCST VA CLD +18HR: 31/2100Z RMK: VA IS NOT OBS IN STLT IMAGERY AND WEBCAM DUE TO WX CLDS. NWP MODEL GUIDANCE INDICATES A W MOV. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20180131/0930Z