FVXX20 KWBC 282100
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2100 UTC 28 NOV 1999 BY THE WASHINGTON VAAC 
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GUAGUA PICHINCHA 99-123      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: REPORT FROM THE GEOFISICO INSTITUTO IN
ECUADOR...GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY...12
UTC AVIATION MODEL WIND FORECAST
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ERUPTION DETAILS: LATEST ERUPTION AT 28/0215 UTC.
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DETAILS OF ASH CLOUD:  LOW AND MID LEVEL CLOUDINESS COVER THE REGION
AROUND THE VOLCANO MAKING IT DIFFICULT TO SEE ANY ASH THRU 2015 UTC
VISIBLE SATELLITE IMAGERY. IN ADDITION MULTISPECTRAL IMAGERY DOES
NOT INDICATE ANY ASH IN THE AREA.  UPPER AIR PATTERNS SUGGEST THAT
ANY ASH REMAINING WILL BE SOUTHWEST OF THE SUMMIT. 
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BETWEEN FL150
AND FL420 WOULD MOVE TO THE SOUTHWEST AT 15 TO 20 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 BY 29/0300 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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