FVXX20 KWBC 262357
VOLCANIC ASH ADVISORY
ISSUED: 2003DEC27/0000Z VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/653

INFORMATION SOURCE: GOES-12 IMAGERY. MODEL WINDS FORECAST.
GUAYAQUIL MWO SIGMET 
 
ERUPTION DETAILS: ASH EMISSIONS
                         
OBS ASH DATE/TIME: 26/2315Z

OBS ASH CLOUD: SFC/FL270 5 NM WIDE LINE BETWEEN S0128W07826
- S0141W07840. ASH IS MOVING TO SW 10-15 KNOTS.

FCST ASH CLOUD+6H: NOT AVBL
FCST ASH CLOUD+12H: NOT AVBL  
FCST ASH CLOUD+18H: NOT AVBL

REMARKS: THE LAST VISIBLE IMAGERY OF THE DAY (26/2215Z)
CONTINUES TO SHOW A VERY NARROW PLUME OF ASH SOUTHWEST OF
THE SUMMIT.  THIS ASH PLUME BECOMES VERY DIFFUSE IN IRNIGHT
AND MULTI-SPECTRAL IMAGERY AND MAY BE OBSCURED IN PART BY
CLOUDS IN THE VICINITY OF THE VOLCANO.  THE LEADING EDGE OF
VISIBLE ASH IS APPROXIMATELY 20 NM FROM THE SUMMIT.

NEXT ADVISORY: WILL BE ISSUED BY 2003DEC27/0600Z.

NNNN"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"