FVXX20 KWBC 231330
VOLCANIC ASH ADVISORY 
ISSUED 1320 UTC 23 JUL 2000 BY THE WASHINGTON VAAC
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GUAGUA PICHINCHA 00-178         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: GUAYAQUIL METEOROLOGICAL WATCH OFFICE
SIGMET...GEOPHYSICAL INSTITUTE REPORT...GOES-8 VISIBLE
INFRARED AND MULTISPECTRAL IMAGERY
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ERUPTION DETAILS: ONGOING ASH EMISSION
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DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTS AN
ONGOING ASH EMISSION TO FL180.  NO ASH CAN BE SEEN IN IMAGERY
THROUGH 23/1245 UTC POSSIBLY DUE TO SOME LOW LEVEL CLOUDS IN
THE VICINITY. 
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ASH BETWEEN THE
SUMMIT AND FL180 WOULD MOVE TO THE SOUTHWEST AT 15 TO 20
KNOTS.
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OUTLOOK:  SEE SIGMETS
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THE NEXT MESSAGE WILL BE ISSUED BY 23/1930 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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