FVXX21 KWBC 040929
VOLCANIC ASH ADVISORY
ISSUED: 2004FEB04/0930Z VAAC: WASHINGTON

VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
                              
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2004/112

INFORMATION SOURCE: GOES 12 IMAGERY. GFS MODEL WINDS
FORECAST. GEOPHYSICAL INSTITUTE
      
ERUPTION DETAILS: EMISSION AT 03/2030Z

OBS ASH DATE/TIME: 04/0845Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.
WINDS FL100/260 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: THE GEOPHYSICAL INSTITUTE OBSERVED ASH TO FL260 AT
03/2030Z.  EXTENSIVE CLOUDINESS HAS MADE IT  DIFFICULT TO
OBSERVE ASH FROM SATELLITE IMAGERY.  ACCORDING TO UPPER AIR
WINDS ANY ASH TO FL260 SHOULD MOVE TOWARDS THE W AT 15-20
KTS.
      
NEXT ADVISORY: WILL BE ISSUED BY 2004FEB04/1530Z             

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