FVXX20 KWBC 202247 
VOLCANIC ASH ADVISORY
ISSUED: 2003OCT20/2300Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/392

INFORMATION SOURCE: GOES-12 IMAGERY. GUAYAQUIL MWO SIGMETS.
GEOPHYSICAL INSTITUTE REPORT.

ERUPTION DETAILS: CONTINUED ASH AND STEAM EXHALATIONS.

OBS ASH DATE/TIME: 20/2215Z

OBS ASH CLOUD: SFC/FL200 9 NM WIDE LINE BETWEEN S0128W07826
S0143W07843 MOVING W 15-20 KNOTS.  

FCST ASH CLOUD+6H: SEE SIGMETS

REMARKS: DURING THE PAST 6 HOURS THE ASH PLUME BEGAN TO
DRIFT TO THE SOUTH BUT SINCE THEN THE PLUME IS ROTATING
TOWARD THE WEST UNDER THE INFLUENCE OF PREDOMINANTLY WSW
WINDS IN THE AREA. LAST VISIBLE IMAGES OF THE DAY INDICATE
THE PLUME HAS A VERY LIGHT OR HAZY APPEARANCE AT THIS
TIME...BUT EXPECT ASH ACTIVITY TO CONTINUE...GALLINA 
                                                       
NEXT ADVISORY: WILL BE ISSUED BY 2003OCT21/0500Z.
 
NNNN"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"