FVXX20 KWBC 311416 CCA 
VOLCANIC ASH ADVISORY - CORRECTION
ISSUED: 2003OCT31/1330Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/436

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

ERUPTION DETAILS: CONTINUED ASH AND STEAM EXHALATIONS.

OBS ASH DATE/TIME: 31/1245Z

OBS ASH CLOUD: SFC/FL230 10 NM WIDE LINE BETWEEN S0128W07826
S0107W07850. ASH IS MOVING NE 5-10 KNOTS.
                                             
FCST ASH CLOUD+6H: SEE SIGMETS

REMARKS: CORRECTED FOR NEXT ADVISORY TIME...AS THE VALLEY
FOG DISSIPATES THIS MORNING...IT APPEARS THAT THERE IS A
PLUME EXTENDING TO THE NE OF THE VOLCANO.  CANNOT BE
ABSOLUTELY DISCERN IF THE PLUME IS ASH OR JUST DISSIPATING
WEATHER CLOUDS.  HOWEVER...THERE ARE MANY TOOLS THAT POINT
TO THE FACT THAT IT IS.  EACH MULTI-SPECTRAL TECHNIQUE SHOWS
SIMILAR ENHANCEMENT TO ASH DETECTION AS WELL AS GFS MODEL
WINDS AT THE LEVEL OF THE ASH WOULD TRANSPORT ASH TO THE NE. 
SO WILL ADVISE ON THE SIDE OF CAUTION THAT THE PLUME IS
ASH...GALLINA 

NEXT ADVISORY: WILL BE ISSUED BY 2003OCT31/1930Z.

NNNN"Attached Graphic Map Depicting Ash Only" 

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