FVXX20 KWBC 071859
VOLCANIC ASH ADVISORY
ISSUED: 2003OCT07/1900Z VAAC: WASHINGTON
VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128W07826 AREA: ECUADOR
SUMMIT ELEVATION: 16480 FT (5023 M)
ADVISORY NUMBER: 2003/336
INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE
ERUPTION DETAILS: STRONG EMISSION BEGINNING AT 07/1015Z
OBS ASH DATE/TIME: 07/1815Z
OBS ASH CLOUD: FL200/270 9 NMI WIDE PLUME FROM S0128W07826
EXTENDING TO S0114W07825. ASH IS MOVING N 5-10 KNOTS. WINDS
FL100/180 MOVING NW 5-10 KNOTS.
FCST ASH CLOUD+6H: SEE SIGMETS.
REMARKS: CLOUDINESS AROUND THE SUMMIT IS HAMPERING ASH
DETECTION. THE PREVIOUSLY WELL DEFINED PLUME IS NO LONGER
DISCERNABLE IN SATELLITE IMAGERY THROUGH 07/1815Z. NEAR
SUMMIT VENTING APPEARS TO BE CONTINUING.
NEXT ADVISORY: WILL BE ISSUED BY 2003OCT08/0100Z.
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"Attached Graphic Map Depicting Ash Only"
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