FVXX20 KWBC 031627
VOLCANIC ASH ADVISORY
ISSUED: 2004FEB03/1630Z VAAC: WASHINGTON

VOLCANO: SANTA MARIA 1402-03
LOCATION: N1445W09133    AREA: GUATEMALA

SUMMIT ELEVATION: 12375 FT (3763 M)

ADVISORY NUMBER: 2004/16

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

ERUPTION DETAILS: INTERMITTENT PUFFS OF ASH STARTING AROUND
03/1015Z 

OBS ASH DATE/TIME: 03/1545Z    

OBS ASH CLOUD: SFC/FL150 5 NM WIDE LINE BETWEEN N1445W09133
- N1455W09145. ASH IS MOVING NW 10-20 KNOTS. SFC/FL120 4 NM
WIDE LINE BETWEEN N1445W09133 - N1441W09145. ASH IS MOVING
SW 5-10 KNOTS. 

FCST ASH CLOUD+6H:  NOT AVBL
FCST ASH CLOUD+12H: NOT AVBL 
FCST ASH CLOUD+18H: NOT AVBL

REMARKS: A MORE VIGOROUS PUFF OF ASH WAS EXPELLED FROM
SANTIAGUITO AT ABOUT 1430Z...THIS PUFF OF ASH WAS MUCH
HIGHER IN ALTITUDE AND WAS SEEN MOVING NW OVER THE SPINE OF
THE MOUNTAINS...SO THE ALTITUDE IS HIGHER THAN FL120 WHICH
MOST OF THE PEAK ARE. AS OF THE 1545Z IMAGE THE ASH EXTENDED
ABOUT 24 KM TO THE NW. LOWER LEVEL STEAM/GASSING AND SMALL
AMOUNTS OF ASH ARE STILL MOVING WSW BELOW FL120 THIS ASH
EXTENDED 19 KM TO THE WSW. WILL CONTINUE TO
MONITOR...GALLINA 

NEXT ADVISORY: WILL BE ISSUED BY 2004FEB03/2230Z.

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"Attached Graphic Map Depicting Ash Only" 

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