FVXX20 KWBC 181711
VOLCANIC ASH ADVISORY
ISSUED: 2004APR18/1710Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2004/0160

INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12
IMAGERY. GFS MODEL WINDS FORECAST. 

ERUPTION DETAILS: ASH EMISSION AT 1606Z

OBS ASH DATE/TIME: 18/1645Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS FL100/FL220 MOVING TO SW 5-10 KNOTS.

FCST ASH CLOUD +6H: NOT AVBL

FCST ASH CLOUD +12H: NOT AVBL

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: A GUAYAQUIL MWO SIGMET CITES A 1606Z
GEOPHYSICAL INSTITUTE OBSERVATION OF ASH MOVING
WSW.  NO ASH CAN BE SEEN IN IMAGERY THROUGH 1645Z
BUT THE CLOUD COVER IN THE AREA MIGHT BE HINDERING
ASH DETECTION. ...

NEXT ADVISORY: WILL BE ISSUED BY 2004APR18/2315Z

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