FVXX20 KWBC 280030                      
VOLCANIC ASH ADVISORY 
ISSUED: 2003SEP28/0100Z VAAC: WASHINGTON                         
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/294

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

ERUPTION DETAILS: SERIES OF EMISSIONS STARTING AT 21/2345Z
                                            
OBS ASH DATE/TIME: 28/0015Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.
WINDS FL100/310 MOVING SW 10-15 KNOTS.

FCST ASH CLOUD+6H: SEE SIGMETS.

REMARKS: THE LATEST OBSERVATION OF ASH FROM THE INSTITUTE
WAS AT 27/2021Z TO FL310. UPPER AIR WIND FORECASTS SUGGEST
THAT ANY ASH SHOULD MOVE TO THE SOUTHWEST AT 10-15 KNOTS.
CLOUDS IN THE VICINITY OF THE VOLCANO MAKE IT DIFFICULT TO
DETECT ANY ASH FROM SATELLITE IMAGERY. 

NEXT ADVISORY: WILL BE ISSUED BY 2003SEP28/0700Z.
 
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