FVXX22 KWBC 172300
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2300 UTC 17 JAN 2000 BY THE WASHINGTON VAAC
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PACAYA 00-005 GUATEMALA 1422N 9036W
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BACKGROUND: PACAYA GUATEMALA (1402-11)
SUMMIT HEIGHT 8372 FT (2553 M)
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SOURCES OF INFORMATION: GOES-8 VISIBLE ...INFRARED AND MULTISPECTRAL
IMAGERY. 9 HOUR WIND FORECAST FROM THE 17/1200 NGM MODEL.
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ERUPTION DETAILS: ERUPTION AT 16/2245 UTC.
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DETAILS OF ASH CLOUD: DUE TO THE LOW SUN ANGLE SATELLITE IMAGERY
THROUGH 17/2145 UTC SHOWS AN EXTENSIVE FAINT PLUME EXTENDING TO THE
SOUTHWEST AWAY FROM THE VOLCANO. THIS AREA IS APPROXIMATELY 330KM
(189NMI) IN LENGTH AND 125KM (70NMI) WIDE AND IS BOUNDED BY THE
FOLLOWING POINTS: 1210N9241W 1247N9320W 1427N9130W AND 1423N9036W.
HEIGHT OF THE ASH IS ESTIMATED TO BE BETWEEN FL050 AND FL100.
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TRAJECTORY: ASH AT FL050 WOULD MOVE TOWARD THE SOUTHWEST AT 20KTS.
THE HIGHER LEVEL ASH AT FL100 WOULD NOW MOVE TOWARD THE
WEST-NORTHWEST AT 10KTS.
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OUTLOOK: SEE LATEST SIGMETS AND VAFTAD.
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NEXT STATEMENT WILL BE ISSUED BY 18/0500 UTC.
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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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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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WALTER
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NNNN"Attached Graphic Map Depicting Ash"
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