FVXX20 KWBC 300035            
VOLCANIC ASH ADVISORY 
ISSUED: 2003SEP30/0100Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/302

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

ERUPTION DETAILS: SERIES OF EMISSIONS STARTING AT 21/2345Z
                                            
OBS ASH DATE/TIME: 30/0015Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.
WINDS FL100/190 MOVING W 0-5 KNOTS. FL190/270 NE 0-5 KNOTS. 

FCST ASH CLOUD+6H: SEE SIGMETS.

REMARKS: AS THE SUNLIGHT SET OVER ECUADOR...ASH WAS VISIBLE
ABOUT 5 NM SURROUNDING THE SUMMIT WITH A NARROW PLUME MOVING
TO THE NE. HOWEVER...WEATHER CLOUDS HAVE OBSCURED MULTI-
SPECTRAL ASH DETECTION TECHNIQUES AND ASH CANNOT BE OBSERVED
ON SATELLITE AS OF THE 0015Z IMAGE. THE ASH EMISSION AT
ABOUT 2015Z LOOKED TO BE VIGOROUS AND WAS VERY DARK IN
APPEARANCE...SO WILL LEAVE MAXIMUM HEIGHT OF ASH AT FL270
FOR NOW...GALLINA     

NEXT ADVISORY: WILL BE ISSUED BY 2003SEP30/0700Z.  
 
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