FVXX20 KWBC 100100
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0100 UTC 10 NOV 1999 BY THE WASHINGTON VAAC
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GUAGUA PICHINCHA 99-076 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: GEOPHYSICAL INSTITUTE IN QUITO...INFRARED
AND MULTISPECTRAL GOES-8 SATELLITE IMAGERY. AVN FORECAST UPPER AIR
SOUNDING.
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ERUPTION DETAILS: REPORTED EXPLOSIVE ERUPTION AT 10/0027 UTC.
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY IS ONLY AVAILABLE THROUGH
10/0015 UTC. NO PLUME IS YET VISIBLE. THE GEOPHYSICAL INSTITUTE
CANNOT CONFIRM THAT THIS ERUPTION HAS PRODUCED AN ASH PLUME.
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TRAJECTORY: IF PRESSENT ... ASH BETWEEN FL050 AND FL190 WOULD MOVE
WEST AT UP TO 15 KNOTS. BETWEEN FL190 AND FL250 ASH WOULD MOVE
SOUTH AT ABOUT 5 KNOTS. FROM FL250 TO FL340 ASH WOULD MOVE EAST
NORTHEAST AT ABOUT 15 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
http://www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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OUTLOOK: SEE SIGMETS
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THE NEXT STATEMENT WILL BE ISSUED AS SOON AS POSSIBLE BUT NO LATER
THAN 10/0700 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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