FVXX20 KWBC 241400
VOLCANIC ASH ADVISORY
ISSUED 1400 UTC 24 JUL 2000 BY THE WASHINGTON VAAC
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GUAGUA PICHINCHA 00-183         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. 24/1200 UTC FORECAST UPPER WINDS FROM
THE 24/0000 UTC AVIATION MODEL. THE GEOPHYSICAL INSTITUTE IN
QUITO.
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ERUPTION DETAILS: OVERNIGHT ACTIVITY CONFINED TO THE CALDERA.
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DETAILS OF ASH CLOUD: GOES-8 IMAGERY THROUGH 1315 UTC SHOWS
SLIGHT FAINT ASH AT THE LOCATION OF THE VOLCANO. THE
GEOPHYSICAL INSTITUTE REPORTED THAT ASH HAS BEEN CONFINED TO
THE CALDERA AT SUMMIT LEVEL AND THAT THERE WERE SIX SMALL ASH
EMISSIONS OVERNIGHT. GOES SHORTWAVE AND REFLECTIVITY IMAGERY
DO INDICATE THE PRESENCE OF A HOT SPOT AT THE VOLCANO
LOCATION...INDICATING INCREASED ACTIVITY. NO ASH IS PRESENTLY
SEEN MOVING AWAY FROM THE VOLCANO.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH THAT MIGHT
ESCAPE THE CALDERA AT SUMMIT LEVEL (FL157) TO MOVE WEST AT 5
TO 10 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 24/2000 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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HUGHES
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