FVXX23 KNES 211543 VA ADVISORY DTG: 20180421/1543Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2018/002 INFO SOURCE: GOES-EAST. CIMSS VOLCAT. ERUPTION DETAILS: VA EM HAS DISP OBS VA DTG: 21/1515Z 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: VA HAS BECOME TOO THIN TO DISCERN IN STLT IMAGERY. THERE HAS BEEN NO FURTHER RPRTS OF VA AND NO HOTPOT ACT CAN BE SEEN. ...ZHU NXT ADVISORY: NO FURTHER ADVISORIES