FVXX20 KWBC 291715
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1715 UTC 29 NOV 1999 BY THE WASHINGTON VAAC 
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GUAGUA PICHINCHA 99-127      ECUADOR 0.17S 78.60W 
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BACKGROUND:    GUAGUA PICHINCHA ECUADOR (1502-02)
               SUMMIT HEIGHT    15695 FT (4784 M)  
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SOURCES OF INFORMATION: THE GEOFISICO INSTITUTO IN ECUADOR...GOES 8
VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY.
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ERUPTION DETAILS: ERUPTION AT 29/1640 UTC..
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DETAILS OF ASH CLOUD: THE INSTITUTE REPORTED AN ERUPTION AT 1640
UTC. SATELLITE IMAGERY THRU 1645 UTC SHOWS THE ASH UP TO FL450
MOVING SOUTHWARD. THE LEADING EDGE OF THE ASH PLUME IS AT 0.3S
78.6W. THE PLUME IS 25 KM WIDE (13 NMI).  
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TRAJECTORY: ACCORDING TO UPPER AIR PATTERNS ANY VOLCANIC ASH FROM
FL150 TO FL300 WILL MOVE WESTWARD AT 15 KTS. ASH FROM FL300 TO FL450
WILL MOVE SOUTHWARD AT 10 KTS. 
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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  
http://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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THE NEXT STATEMENT WILL BE ISSUED AT 29/2300 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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KARST/TURK
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NNNN"Attached Graphic Map Depicting Ash" 

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