FVXX20 KWBC 081853
VOLCANIC ASH ADVISORY
ISSUED: 2003OCT08/1900Z VAAC: WASHINGTON
VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128W07826 AREA: ECUADOR
SUMMIT ELEVATION: 16480 FT (5023 M)
ADVISORY NUMBER: 2003/340
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: 08/1815Z
OBS ASH CLOUD: SFC/FL270 8 NM WIDE PLUME EXTENDS FROM
S0128W07826 TO S0146W07844. ASH IS MOVING SW 5-10 KNOTS.
FCST ASH CLOUD+6H: SEE SIGMETS.
REMARKS: A NARROW PLUME OF ASH IS OBSERVED MOVING TO THE SW
OF THE SUMMIT. THIS PLUME EXTENDS APPROXIMATELY 26 NM FROM
THE SUMMIT. AT 1745Z THE GEOPHYSICAL INSTITUTE IS REPORTING
ASH ESTIMATED TO FL270 AND MOVING WEST. CLOUDS SURROUND THE
SUMMIT AND MAY BE OBSCURING ASH.
NEXT ADVISORY: WILL BE ISSUED BY 2003OCT09/0100Z.
NNNN"Attached Graphic Map Depicting Ash Only"
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