FVXX20 KWBC 222100
VOLCANIC ASH ADVISORY 
ISSUED 2100 UTC 22 JUL 2000 BY THE WASHINGTON VAAC
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GUAGUA PICHINCHA 00-175         ECUADOR 0011S 7836W 
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BACKGROUND:    GUAGUA PICHINCHA ECUADOR (1502-02)
               SUMMIT HEIGHT    15695 FT (4784 M)  
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SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED AND
MULTISPECTRAL IMAGERY.  GEOPHYSICAL INSTITUTE REPORT.
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ERUPTION DETAILS: MODERATE ASH EMISSION AT 22/2030 UTC.
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DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE HAS REPORTED A
MODERATE EMISSION OF ASH AT GUAGUA PICHINCHA. THERE IS SOME
QUESTION AS TO THE HEIGHT OF THE ASH HOWEVER IT IS BELIEVED TO
BE NEAR-SUMMIT AT THIS TIME. SATELLITE IMAGERY HAS BEEN
REVEALING A RATHER EXTENSIVE AREA OF CLOUDS OVER ECUADOR ALL
AFTERNOON AND THS DETECTING ASH FOR THIS EVENT WILL LIKELY BE
VERY DIFFICULT. WILL CONTINUE TO MONITOR.

TRAJECTORY: ANY ASH NEAR THE SUMMIT WILL MOST LIKELY MOVE TO
THE NORTHWEST AT 10 TO 20 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEST STATEMENT WILL BE ISSUED BY 23/0300 UTC.

REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC
ASH ADVISORIES OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS  
http://www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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ORRISON
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