FVXX20 KWBC 311022
VOLCANIC ASH ADVISORY
ISSUED: 2004MAY31/1022Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2004/231

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

ERUPTION DETAILS: EMISSION AT 30/1320Z

OBS ASH DATE/TIME: 31/0945Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS FL100/FL260 MOVING TO W 15-20 KNOTS.

FCST ASH CLOUD +6H: NOT AVBL

FCST ASH CLOUD +12H: NOT AVBL

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: IT IS DIFFICULT TO DETECT ASH DUE TO
EXTENSIVE CLOUD COVER IN THE VICINITY OF THE
VOLCANO ...KARST

NEXT ADVISORY: WILL BE ISSUED BY 2004MAY31/1615Z

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