FVXX20 KWBC 172245
VOLCANIC ASH ADVISORY 
ISSUED 2245 UTC 17 JUL 2000 BY THE WASHINGTON VAAC
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GUAGUA PICHINCHA 00-171         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 AND INFRARED IMAGERY. 
WIND FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL INSTITUTE
REPORT.
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ERUPTION DETAILS: ASH EMISSION AT 17/2130 UTC.
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DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTED ASH
OVER THE VOLCANO AT 17/2130 UTC.  SATELLITE IMAGERY THROUGH
17/2215 UTC SHOWS CLOUDS OVER THE AREA OF THE VOLCANO MAKING
ANY ASH DETECTION DIFFICULT. ANY ASH THAT MAY BE PRESENT IS
ESTIMATED NEAR SUMMIT LEVEL. 

TRAJECTORY: ANY ASH FROM NEAR SUMMIT LEVEL WILL MOVE TOWARDS
THE NORTHWEST AT 5 TO 10 KNOTS.
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OUTLOOK:  SEE SIGMETS
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THE NEXT MESSAGE WILL BE ISSUED BY 18/0500 UTC.
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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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CLARK
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