FVXX21 KNES 191337 VA ADVISORY DTG: 20130319/1337Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 1402-03 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12375 FT (3772 M) ADVISORY NR: 2013/045 INFO SOURCE: GOES-13. GFS WINDS. ERUPTION DETAILS: ONGOING EMISSIONS OBS VA DTG: 19/1315Z OBS VA CLD: SFC/FL160 N1449 W09122 - N1444 W09108 - N1434 W09118 - N1441 W09135 - N1448 W09135 - N1449 W09122 MOV E 5-10KT FCST VA CLD +6HR: 19/1930Z SFC/FL160 NO ASH EXP FCST VA CLD +12HR: 20/0130Z NO ASH EXP FCST VA CLD +18HR: 20/0730Z NO ASH EXP RMK: VA ESTIMATED TO FL160 EXTENDING 18 NM E OF SUMMIT. LOW CONFIDENCE IN HEIGHT ASSIGNMENT. ...SALEMI NXT ADVISORY: WILL BE ISSUED BY 20130319/1930Z