FVXX22 KNES 220647 VA ADVISORY DTG: 20151222/0647Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12375 FT (3772 M) ADVISORY NR: 2015/092 INFO SOURCE: GOES-EAST. NAM WINDS. ERUPTION DETAILS: VA OBS IN STLT AT 22/0345Z OBS VA DTG: 22/0545Z OBS VA CLD: SFC/FL160 N1450 W09201 - N1448 W09134 - N1441 W09130 - N1437 W09152 - N1437 W09201 - N1450 W09201 MOV W 20KT FCST VA CLD +6HR: 22/1200Z SFC/FL160 N1455 W09314 - N1451 W09220 - N1432 W09217 - N1425 W09314 - N1455 W09314 FCST VA CLD +12HR: 22/1800Z SFC/FL160 NO ASH EXP FCST VA CLD +18HR: 23/0000Z NO ASH EXP RMK: VA EM OBS IN STLT MOVG W FM SUMMIT AT 20KTS NEAR FL160. ASH IS DETACHED FM SUMMIT AND RAPIDLY BECOMG DIF. ASH IS FCSTD TO DISP BY 12HRS. ...RAMIREZ NXT ADVISORY: WILL BE ISSUED BY 20151222/1245Z