FVXX20 KWBC 081250
VOLCANIC ASH ADVISORY
ISSUED: 2003OCT08/1300Z VAAC: WASHINGTON
VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128W07826 AREA: ECUADOR
SUMMIT ELEVATION: 16480 FT (5023 M)
ADVISORY NUMBER: 2003/339
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: 08/1215Z
OBS ASH CLOUD: SFC/FL270 10 NM WIDE PLUME EXTENDS FROM
S0128W07826 TO S0158W07905. ASH IS MOVING SW 5-10 KNOTS.
FCST ASH CLOUD+6H: SEE SIGMETS.
REMARKS: SATELLITE IMAGERY THOUGH 08/1215Z SHOWS A NARROW
BAND OF THIN ASH EXTENDING APPROXIMATELY 50 NM SOUTHWEST OF
THE VOLCANO. THIS ASH IS ABOVE THE MIDDLE TO LOW LEVEL
CLOUDS SURROUNDING THE SUMMIT MOVING SW IN CONTRAST TO THE
GFS MODEL GUIDANCE. NEAR SUMMIT ASH APPEARS TO BE SHIFTING
MORE TO THE WEST IN THE LATEST IMAGE.
NEXT ADVISORY: WILL BE ISSUED BY 2003OCT08/1900Z.
NNNN"Attached Graphic Map Depicting Ash Only"
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