FVXX20 KWBC 062000
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2000 UTC 06 OCTOBER 1999 BY THE WASHINGTON VAAC 
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GUAGUA PICHINCHA 99-031 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:  GOES-8 VISIBLE INFRARED AND MULTISPECTRAL
IMAGERY THROUGH 1915 UTC...QUITO SURFACE OBSERVATIONS...VAFTAD AND
AN EXPERIMENTAL ASH TRAJECTORY MODEL.
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ERUPTION DETAILS: ERUPTION OCCURRED AROUND 05/1915 UTC.

DETAILS OF ASH CLOUD: SURFACE REPORTS FROM QUITO MENTION VOLCANIC
ASH IN THE REMARKS SECTION FROM 1800 UTC THRU 1900 UTC BUT THIS IS
PROBABLY THE WIND STIRRING UP VOLCANIC ASH IN THE IMMEDIATE VICINITY
OF THE GROUND FROM THE ERUPTION YESTERDAY. VISIBLE INFRARED AND
MULTISPECTRAL SATELLITE IMAGERY DOES NOT INDICATE ANY ASH REMAINING
ALOFT IN THE AREA AROUND THE VOLCANO.  
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY POSSIBLE REMAINING
ASH AT ABOUT FL380 WILL MOVE TOWARD THE WEST OR SOUTHWESTWARD AT
ABOUT 20 KNOTS WHILE ASH BETWEEN FL380 AND FL550 WOULD MOVE EASTWARD
AT 20 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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THIS WILL BE THE LAST STATEMENT FOR THIS ERUPTION.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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