FVXX20 KWBC 201718
VOLCANIC ASH ADVISORY
ISSUED: 2003OCT20/1730Z VAAC: WASHINGTON
VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128W07826 AREA: ECUADOR
SUMMIT ELEVATION: 16480 FT (5023 M)
ADVISORY NUMBER: 2003/391
INFORMATION SOURCE: GOES-12 IMAGERY. GUAYAQUIL MWO SIGMET.
GEOPHYSICAL INSTITUTE REPORT.
ERUPTION DETAILS: CONTINUED ASH AND STEAM EXHALATIONS.
OBS ASH DATE/TIME: 20/1645Z
OBS ASH CLOUD: SFC/FL200 5 NM WIDE LINE BETWEEN S0128W07826
S0130W07851 MOVING W 15-20 KNOTS.
FCST ASH CLOUD+6H: SEE SIGMETS
REMARKS: VISIBLE IMAGERY SHOWS A NARROW PLUME OF ASH
EXTENDING TO THE WEST OF THE VOLCANO. THE LEADING EDGE OF
THE ASH IS APPROXIMATELY 25 NM FROM THE SUMMIT. THE ASH IS
ESTIMATED AT FL200.
NEXT ADVISORY: WILL BE ISSUED BY 2003OCT20/2330Z.
NNNN"Attached Graphic Map Depicting Ash Only"
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