FVXX21 KNES 211436 VA ADVISORY DTG: 20160421/1436Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12375 FT (3772 M) ADVISORY NR: 2016/093 INFO SOURCE: GOES-EAST. TEGUCIGALPA MWO. NAM WINDS. INSIVUMEH. ERUPTION DETAILS: EMS OF VA TO ABOUT FL150 OBS VA DTG: 21/1415ZZ OBS VA CLD: SFC/FL150 N1450 W09139 - N1448 W09134 - N1443 W09134 - N1443 W09140 - N1450 W09139 MOV W 5-10KT FCST VA CLD +6HR: 21/2000Z SFC/FL150 NO ASH EXP FCST VA CLD +12HR: 22/0200Z NO ASH EXP FCST VA CLD +18HR: 22/0800Z NO ASH EXP RMK: INSIVUMEH HAS REPORTED VA UP TO 15 NMI TO THE W AND SW OF THE SUMMIT . IMAGERY SHOWS VA EXTENDING A SHORT DISTANCE TO THE W OF THE SUMMIT. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20160421/2030Z