FVXX20 KNES 151403
VOLCANIC ASH ADVISORY
ISSUED: 2004DEC15/1403Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 12375 FT (3772 M)

ADVISORY NUMBER: 2004/029

INFORMATION SOURCE: GOES-12. GFS MODEL WINDS. 

ERUPTION DETAILS: ASH PUFF AT 1302Z

OBS ASH DATE/TIME: 15/1345Z

OBS ASH CLOUD: SFC/FL120 6NM WIDE LINE BETWEEN
N1448W09154 - N1446W09133. ASH IS MOVING W 5-10
KNOTS. 

FCST ASH CLOUD +6H: NOT AVBL

FCST ASH CLOUD +12H: NOT AVBL

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: EARLY MORNING SATELLITE IMAGERY HAS SHOWN
A BRIGHT HOTSPOT AT 1302 TO 1315Z. CORRESPONDING
VISIBLE IMAGERY SHOWS AN ASH PLUME MOVING WEST.  
IT APPEARS THAT THE ASH IS OCCURRING FROM
SANTIAGUITO LAVA DOME WHICH SITS SW OF THE PEAK AT
A LOWER ELEVATION.  BASED ON THAT AND MODEL
SOUNDING WINDS ESTIMATE THE ASH IS SFC/FL120.
...GALLINA

NEXT ADVISORY: WILL BE ISSUED BY 2004DEC15/2000Z

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