FVXX20 KWBC 230730
VOLCANIC ASH ADVISORY
ISSUED: 2002JUL23/0730Z  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: 2002/347
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INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS
FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE.
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ERUPTION DETAILS: INTERMITTENT ASH AND STEAM EMISSIONS
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OBS ASH DATE/TIME: 23/0645Z
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OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.
WINDS FL165/FL230 MOVING NW 10 TO 15 KTS.
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FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD.
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REMARKS: THE ASH PLUME THAT WAS MOVING NW IS TOO THIN TO BE
OBSERVED IN SATELLITE IMAGERY. HOWEVER ASH IS PROBABLY
STILL PRESENT WEST OF THE VOLCANO AT ESTIMATED HEIGHT OF
FL230....KARST
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NEXT ADVISORY: WILL BE ISSUED BY 2002JUL23/1330Z.
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