FVXX20 KWBC 051945
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1945 UTC 05 OCTOBER 1999 BY THE WASHINGTON VAAC 
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GUAGUA PICHINCHA 99-025 ECUADOR 0.17S 78.60W 
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BACKGROUND:    GUAGUA PICHINCHA (1502-02)
               SUMMIT HEIGHT    15,695FT (4784 M)  
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SOURCES OF INFORMATION:  USGS SURVEY TEAM AT THE GUAGUA
VOLCANO...GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY.
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ERUPTION DETAILS:ERUPTION OCCURRED AROUND 05/1915 UTC TO FL500.

DETAILS OF ASH CLOUD: THE USGS HAS REPORTED A MAJOR VOLCANIC
EXPLOSION AT THE GUAGUA PICHINCHA VOLCANO. SATELLITE IMAGERY THROUGH
1915 UTC INDICATES AN IMPRESSIVE ASH CLOUD LEAVING THE VOLCANO. THE
ASH CLOUD IS THICK AND CAN BE SEEN IN EVERY CHANNEL OF SATELLITE
IMAGERY. INITIAL SATELLITE ASSESSMENTS INDICATE THAT THE ASH CLOUD
IS REACHING FL500. THE MOVEMENT OF ASH IS HARD TO ASSESS RIGHT NOW
SINCE THE ERUPTION HAS JUST OCCURRED AND IS POSSIBLY STILL
OCCURRING.
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TRAJECTORY: ASH UP TO FL400 SHOULD MOVE TO THE WEST AT 20 TO 30
KNOTS WHILE ASH ABOVE FL400 SHOULD MOVE NORTHEAST OR EAST AT 15
KNOTS.
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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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ANOTHER STATEMENT WITH A GRAPHIC OF THE ASH CLOUD WITHIN THE NEXT
HOUR AS MORE INFORMATION BECOMES AVAILABLE.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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