FVXX20 KWBC 181045
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1045 UTC 18 OCTOBER 1999 BY THE WASHINGTON VAAC 
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GUAGUA PICHINCHA 99-052 ECUADOR 0.17S 78.60W 
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BACKGROUND:    GUAGUA PICHINCHA (1502-02)
               SUMMIT HEIGHT    15,695 FT (4784 M)  
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SOURCES OF INFORMATION:GEOPHYSICAL INSTITUTE IN QUITO...INFRARED AND
MULTISPECTRAL GOES 8 SATELLITE IMAGERY
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ERUPTION DETAILS:  EXPLOSIVE ERUPTION OCCURRED AT 18/0321 UTC.
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DETAILS OF ASH CLOUD: THE ASH PLUME SEEN EARLIER IN SATELLITE
IMAGERY DISSIPATED BY 0545 UTC.  SATELLITE IMAGERY THROUGH 1015 UTC
REVEALED EXTENSIVE HIGH AND MID LEVEL CLOUDS BUT NO INDICATION OF
ASH.  THE GEOPHYSICAL INSTITUTE REPORTED THAT THERE HAS BEEN NO
FURTHER ACTIVITY AT GUAGUA SINCE 0500 UTC. 
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TRAJECTORY: N/A
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH
ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS  
www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THIS WILL BE THE FINAL WARNING ISSUED ON THIS EVENT.  WATCH
STATEMENTS WILL RESUME AT 19/1500 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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