FVXX20 KWBC 221330
VOLCANIC ASH ADVISORY
ISSUED: 2002JUL22/1330Z  VAAC: WASHINGTON
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VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
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SUMMIT ELEVATION: 16480 FT (5023 M)
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ADVISORY NUMBER: 2002/344
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INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS
FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE.
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ERUPTION DETAILS: EXHALATION AT 21/2201Z
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OBS ASH DATE/TIME: 22/1245Z
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OBS ASH CLOUD: FL165/250 0128S07827W 0050S07813W
0034S07900W 0101S07859W 0114S07839W AND 0128S07830W THIN
ASH MOVING N 5-10 KNOTS.  THICKER ASH PLUME 18 KM WIDE FROM
SUMMIT TO 0107S07827W.
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FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD.
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REMARKS: THE ASH PLUME WAS OBSERVED IN VISIBLE IMAGERY 
EXTENDING BETWEEN 75 AND 110 KM NORTH AND NORTH-NORTH WEST
OF THE SUMMIT.  A THICKER PLUME 18 KM WIDE EXTENDS 33 KM
NORTH OF THE SUMMIT.  HOTSPOT ACTIVITY WAS NOTED IN
SATELLITE IMAGERY AT 22/1115Z.
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NEXT ADVISORY: WILL BE ISSUED BY 2002JUL22/1930Z.
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NNNN"Attached Graphic Map Depicting Ash Only" 

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