FVXX20 KNES 201123
VA ADVISORY
DTG: 20160920/1123Z

VAAC: WASHINGTON

VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133

AREA: GUATEMALA

SUMMIT ELEV: 12375 FT (3772 M)

ADVISORY NR: 2016/241

INFO SOURCE: GOES-EAST. GFS WINDS. NAM WINDS. 

ERUPTION DETAILS: VA EM SEEN IN STLT IMAGERY FR
0615Z.

OBS VA DTG: 20/1045Z

OBS VA CLD: SFC/FL150 N1426 W09216 - N1423 W09204
- N1404 W09210 - N1409 W09228 - N1426 W09216 MOV
SW 10-15KT SFC/FL170 N1455 W09253 - N1449 W09241
- N1425 W09300 - N1439 W09313 - N1455 W09253 MOV
W 10-15KT 

FCST VA CLD +6HR: 20/1700Z SFC/FL150 N1403 W09345
- N1359 W09334 - N1340 W09340 - N1346 W09358 -
N1403 W09345 SFC/FL170 N1511 W09426 - N1504
W09413 - N1439 W09431 - N1455 W09445 - N1511
W09426 

FCST VA CLD +12HR: 20/2300Z SFC/FL150 NO ASH
EXPSFC/FL170 NO ASH EXP

FCST VA CLD +18HR: 21/0500Z NO ASH EXP

RMK: CURRENTLY TWO VA EMS SEEN IN STLT IMAGERY
WITH ONE TO THE W AND 75 NMI FR SUMMIT.  THE
SECOND EM IS 45 NMI SW-WSW FR SUMMIT.  VA IS
BECOMING MORE DIFFICULT TO SEE IN IMAGERY AND
FCST TO DISP BY +12 HRS. ...WHISNANT

NXT ADVISORY: WILL BE ISSUED BY 20160920/1730Z