FVXX20 KWBC 121234
VOLCANIC ASH ADVISORY
ISSUED: 2004APR12/1232Z   VAAC: WASHINGTON

VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128W07826   AREA: ECUADOR

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2004/156

INFORMATION SOURCE: GOES-12 IMAGERY. GEOPHYSICAL
INSTITUTE. 

ERUPTION DETAILS: FAINT PLUME SEEN AT 12/1145Z

OBS ASH DATE/TIME: 12/1145Z

OBS ASH CLOUD: SFC/FL200 S0057W07814 - S0104W07807
- S0128W07826 - S0113W07826 - S0057W07814 MOVING N
5-10  KNOTS. 

FCST ASH CLOUD +6H: NOT AVBL

FCST ASH CLOUD +12H: NOT AVBL

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: FAINT PLUME SEEN NORTH OF TUNGURAHUA
VOLCANO.  THIS PLUME IS VERY FAINT AND LOOKS TO BE
MOSTLY STEAM AND GAS. HOWEVER...THERE IS A WEAK
MULTI-SPECTRAL SIGNAL THAT MAY INDICATE SOME ASH
AT WITHIN THE PLUME. GEOPHYSICAL INSTITUTE
CONFIRMED THE PRESENCE OF A STEAM PLUME WITH VERY
FINE ASHES. ...GALLINA

NEXT ADVISORY: WILL BE ISSUED BY 2004APR12/1830Z

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Attached Graphic Depicting Ash Only


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