FVXX20 KWBC 202257                      
VOLCANIC ASH ADVISORY 
ISSUED: 2003SEP20/2300Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/265

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

ERUPTION DETAILS: EMISSION AT 19/1004Z
                                            
OBS ASH DATE/TIME: 20/2215Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.
WINDS FL100/230 MOVING SW-W 10-15 KNOTS.

FCST ASH CLOUD+6H: SEE SIGMETS.

REMARKS: ASH IS NOT VISIBLE IN SATELLITE IMAGERY DUE TO
WEATHER CLOUDS ACROSS THE REGION. THE GEOPHYSICAL INSTITUTE
EVENING REPORT NOTED CONTINUED ACTIVITY WITH LIGHT ASH
AMOUNTS MOVING SOUTHWEST. MODEL DATA ESTIMATES WINDS TO THE
WEST. THE LAST AIRCRAFT REPORT INDICATE THAT ASH AROUND
FL200 MOVING SW.

NEXT ADVISORY: WILL BE ISSUED BY 2003SEP21/0500Z.
 
NNNN