FVXX20 KWBC 311515
VOLCANIC ASH ADVISORY
ISSUED: 2003AUG31/1515Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/191

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

ERUPTION DETAILS: ONGOING ERUPTION SINCE 20/1745Z.
                                            
OBS ASH DATE/TIME: 31/1415Z        

OBS ASH CLOUD: SFC/FL250 N0128W07826 N0112W07942 N0120W08044
N0132W08047 N0148W08027 N0156W07944 N0138W07837 MOVING W 10-
15 KNOTS.
                           
FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD.

REMARKS: MORNING VISIBLE IMAGERY SHOWS ASH CLOUD BROADLY
FANNING OUT TO THE WEST 85 NMI.  THIN ASH APPEARS TO EXTEND
TO THE WEST 140 NMI.  1115Z PILOT REPORT HAD ASH TO FL250. 
1407Z PILOT REPORT HAS ASH TO FL230 MOVING W.  MODELS ALSO
SUGGEST WINDS AT THESE LEVELS.  BALDWIN
                           
NEXT ADVISORY: WILL BE ISSUED BY 2003AUG31/2100Z.

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"Attached Graphic Map Depicting Ash Only" 

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