FVXX20 KNES 250542
VA ADVISORY
DTG: 20130825/0542Z

VAAC: WASHINGTON

VOLCANO: SANTA MARIA 1402-03
PSN: N1445 W09133

AREA: GUATEMALA

SUMMIT ELEV: 12375 FT (3772 M)

ADVISORY NR: 2013/079

INFO SOURCE: GOES-13. GFS WINDS. INSIVUMEH. 

ERUPTION DETAILS: PROBABLE EMISSION OF GASES AND
ASH 

OBS VA DTG: 25/0515Z

OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE
DATA WINDS SFC/FL150 165/10-15KT

FCST VA CLD +6HR: 25/1130Z 

FCST VA CLD +12HR: 25/1730Z 

FCST VA CLD +18HR: 25/2330Z 

RMK: NO VA SEEN DUE TO TSTORM CLDS. VO ISSUED
SPECIAL TO WARN OF WEAK EXPLOSIAN AND ROCKFALLS
THAT WOULD CREATE ASHCLOUDS TO PSBL FL150. SINCE
INTO TSTORM CLDS HARD TO KNOW EXTENDT OR
DIRECTION OF ANY ASH. GAVE FCST MODEL WINDS
ABOVE.  ...SWANSON

NXT ADVISORY: WILL BE ISSUED BY 20130825/1145Z