FVXX20 KWBC 211334
VOLCANIC ASH ADVISORY
ISSUED: 2004APR21/1334Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2004/163

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL
WINDS FORECAST. GEOPHYSICAL INSTITUTE. 

ERUPTION DETAILS: PLUME SEEN SINCE 21/1145

OBS ASH DATE/TIME: 21/1315Z

OBS ASH CLOUD: SFC/FL220 S0108W07849 - S0128W07826
- S0117W07850 - S0108W07849 MOVING NW 10-15 KNOTS.


FCST ASH CLOUD +6H: NOT AVBL

FCST ASH CLOUD +12H: NOT AVBL

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: EARLY MORNING VISIBLE IMAGERY INDICATES
AN ONGOING EMISSION FROM THE SUMMIT TOWARD THE NW.
THE GEOPHYSICAL INSTITUTE INDICATED THAT THERE HAS
BEEN SOME LIGHT ASH FALL REPORTED BUT ACTIVITY IS
WEAK BY TUNGURAHUA STANDARDS...SO WEAK ONGOING
VENTING MAY CONTINUE. ...GALLINA

NEXT ADVISORY: WILL BE ISSUED BY 2004APR21/1930Z

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Attached Graphic Depicting Ash Only


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