FVXX20 KWBC 261400
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1400 UTC 26 NOV 1999 BY THE WASHINGTON VAAC 
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GUAGUA PICHINCHA 99-116      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: GOES-8 VISIBLE AND MULTISPECTRAL
IMAGERY..REPORTS AND WINDS ALOFT INFORMATION FROM THE GEOFISICO
INSTITUTO ...00 UTC AVIATION MODEL WIND FORECAST...SURFACE REPORTS
FROM QUITO
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ERUPTION DETAILS: AN ERUPTION OCCURRED AT 26/0127 UTC.
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DETAILS OF ASH CLOUD: ASH FROM THE 0127 UTC ERUPTION IS NO LONGER
DETECTED IN SATELLITE IMAGERY. THE HIGH LEVEL ASH FROM FL250 TO
FL420 MOVED WESTWARD INTO THE EAST PACIFIC OCEAN AND DISSIPATED. THE
ASH FROM THE SUMMIT TO FL250 MOVED EASTWARD AND DISSIPATED.   ANY
ASH IN THE VICINITY OF THE VOLCANO OR EAST OF THE VOLCANO WOULD BE
UNDER DENSE WEATHER CLOUDS AND MIGHT BE IMPOSSIBLE TO SEE IN
SATELLITE IMAGERY. SURFACE OBSERVATIONS FROM QUITO ARE REPORTING
THAT VOLCANIC ASH IS BEING STIRRED UP BY VEHICULAR TRAFFIC. 
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TRAJECTORY: ANY ASH IS IN THE VICINITY OF THE SUMMIT UP TO FL250
WOULD MOVE TO THE NORTHEAST AT 10 KTS. ASH BETWEEN FL250 AND FL420
WOULD MOVE WEST AT 20KTS.  
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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 BY 26/2000 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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