FVXX21 KNES 211421 VA ADVISORY DTG: 20160521/1421Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12375 FT (3772 M) ADVISORY NR: 2016/147 INFO SOURCE: GOES-EAST. GFS WINDS. NAM WINDS. ERUPTION DETAILS: VA EMS AROUND 21/1310Z. OBS VA DTG: 21/1345Z OBS VA CLD: SFC/FL200 N1452 W09145 - N1447 W09133 - N1442 W09133 - N1443 W09147 - N1452 W09145 MOV W 10-15KT FCST VA CLD +6HR: 21/2000Z SFC/FL200 N1505 W09324 - N1459 W09252 - N1449 W09255 - N1453 W09323 - N1505 W09324 FCST VA CLD +12HR: 22/0200Z SFC/FL200 NO ASH EXP FCST VA CLD +18HR: 22/0800Z NO ASH EXP RMK: VA EMS SEEN MOV W ARND 10-15KTS. VA IS CURRENTLY 12NM WEST OF THE SUMMIT. ...MICHAEL NXT ADVISORY: WILL BE ISSUED BY 20160521/2015Z