FVXX21 KWBC 181541
VOLCANIC ASH ADVISORY
ISSUED: 2004JUN18/1541Z   VAAC: WASHINGTON

VOLCANO: SANTA MARIA 1402-03
LOCATION: N1446W09133   AREA: GUATEMALA

SUMMIT ELEVATION: 12375 FT (3772 M)

ADVISORY NUMBER: 2004/21

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL
WINDS FORECAST. 

ERUPTION DETAILS: INTERMITTENT ASH EMISSIONS

OBS ASH DATE/TIME: 18/1532Z

OBS ASH CLOUD: SFC/FL160 N1458W09207 - N1450W09150
- N1446W09150 - N1451W09208 - N1458W09207 MOVING W
20-30 KNOTS. 

FCST ASH CLOUD +6H: NOT AVBL

FCST ASH CLOUD +12H: NOT AVBL

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: VISIBLE IMAGERY HAS SHOWN THREE SEPARATE
ASH EMISSIONS FROM SANTIAGUITO LAVA DOME.  THESE
PUFFS ARE RAPIDLY MOVING WEST AND BECOMING DIFFUSE
JUST ABOUT THE MEXICAN BOARDER.  EMISSIONS STARTED
AROUND 1145...1332 AND 1420Z.   THE CURRENT PLUME
EXTENDS ABOUT 57 KM TO THE WEST OF THE VOLCANO.
...GALLINA

NEXT ADVISORY: WILL BE ISSUED BY 2004JUN18/2145Z

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-Graphic Map Depicting Ash