FVXX22 KNES 261436
VOLCANIC ASH ADVISORY
ISSUED: 20070426/1435Z   VAAC: WASHINGTON

VOLCANO: SANTA MARIA 1402-03
LOCATION: N1445 W09133   AREA: GUATEMALA

SUMMIT ELEVATION: 12375 FT (3772 M)

ADVISORY NUMBER: 2007/055

INFORMATION SOURCE: GOES-12. GFS WINDS. 

ERUPTION DETAILS: LIGHT ASH EMISSIONS.

OBS ASH DATE/TIME: 26/1415Z

OBS ASH CLOUD: SFC/FL140 4NM WIDE LINE BETWEEN
N1445 W09134 - N1420 W09137. ASH IS MOVING S 15
KNOTS. 

FCST ASH CLOUD +6H: 26/2030Z ASH NOT IDENTIFIABLE
FROM SATELLITE DATA. WINDS SFC/FL140 MOVING TO S
10-20 KNOTS.

FCST ASH CLOUD +12H: 27/0230Z NO ASH EXP.

FCST ASH CLOUD +18H: 27/0830Z NO ASH EXP.

REMARKS: MORNING VISIBLE SATELLITE IMAGERY SHOWS
SEVERAL ASH EMISSIONS SINCE 1245Z.  THE EMISSIONS
APPEAR TO BE 3-4 NMI WIDE AND EXTEND TO ABOUT 25
NMI TO THE SOUTH OF THE VOLCANO AS OF 1415Z. 
HEIGHT ESTIMATED BASED ON GFS WIND MODELS. 
MOVEMENT IS ESTIMATED AT ABOUT 15 KTS BASED ON
SATELLITE MEASUREMENT.  THIS WILL BE THE ONLY
ADVISORY UNLESS EMISSIONS BECOME MORE PREVALENT.
...BALDWIN

NEXT ADVISORY: NO FURTHER ADVISORIES

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