FVXX20 KWBC 281500
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1500 UTC 28 NOV 1999 BY THE WASHINGTON VAAC 
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GUAGUA PICHINCHA 99-122      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...00
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 1415 UTC
SATELLITE IMAGERY. 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 28/2100 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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