FVXX20 KNES 210559 VA ADVISORY DTG: 20160621/0559Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12375 FT (3772 M) ADVISORY NR: 2016/174 INFO SOURCE: GOES-EAST. TEGUCIGALPA MWO. GFS WINDS. ERUPTION DETAILS: VA EM DETECTED OBS VA DTG: 21/0515Z OBS VA CLD: SFC/FL165 N1452 W09137 - N1446 W09134 - N1443 W09132 - N1433 W09136 - N1450 W09150 - N1452 W09137 MOV W 10-15KT FCST VA CLD +6HR: 21/1130Z SFC/FL165 N1459 W09249 - N1436 W09238 - N1431 W09255 - N1458 W09306 - N1459 W09249 FCST VA CLD +12HR: 21/1730Z SFC/FL165 NO ASH EXP FCST VA CLD +18HR: 21/2330Z NO ASH EXP RMK: VA EM OCCURRED APRX 0530Z AND DETECTABLE IN STLT. FURTHER SUPPORTED BY MWO. VA MOV W. FARTHEST ASH LOCTED APRX 15 NM W OF SUMMIT. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20160621/1200Z