FVXX20 KWBC 212242
VOLCANIC ASH ADVISORY
ISSUED: 2003DEC21/2230Z VAAC: WASHINGTON
VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128W07826 AREA: ECUADOR
SUMMIT ELEVATION: 16480 FT (5023 M)
ADVISORY NUMBER: 2003/631
INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE.
ERUPTION DETAILS: ASH EMISSIONS
OBS ASH DATE/TIME: 21/2215Z
OBS ASH CLOUD: SFC/250 4 NM WIDE LINE BETWEEN S0128W07826 -
S0132W07852. ASH IS MOVING W 5-10 KNOTS.
FCST ASH CLOUD+6H: NOT AVBL
FCST ASH CLOUD+12H: NOT AVBL
FCST ASH CLOUD+18H: NOT AVBL
REMARKS: AN ASH PLUME EXTENDED APPROXIMATELY 50 NM TO THE
WEST OF THE SUMMIT AT 2215Z. THE HEIGHT IS BASED ON A 2025Z
OBSERVATION OF ASH TO FL250 FROM THE GEOPHYSICAL INSTITUTE.
NEXT ADVISORY: WILL BE ISSUED BY 2003DEC22/0430Z.
NNNN"Attached Graphic Map Depicting Ash Only"
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