FVXX22 KWBC 170030
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0030 UTC 17 JAN 2000 BY THE WASHINGTON VAAC
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PACAYA 00-001 GUATEMALA 1422N 9036W
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BACKGROUND: PACAYA GUATEMALA (1402-11)
SUMMIT HEIGHT 2553 FT (8372 M)
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SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY.
UNITED AIRLINE REPORT. 6 HOUR WIND FORECAST FROM THE 16/1800 UTC
AVN MODEL.
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ERUPTION DETAILS: ERUPTION AT 16/2245 UTC.
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY AT 16/2345 UTC SHOWS ASH
SPREADING AWAY FROM THE VOLCANO. AT THIS TIME ASH IS BOUNDED BY THE
FOLLOWING POINTS: 1422N9007W 1355N9101W 1422N9103W 1435N9034W AND
1438N9060W. A HIGH LEVEL PLUME EXTENDS 50KM TO THE EAST FROM THE
SUMMIT WITH ASH ESTIMATED AT FL250. A LOWER LEVEL ASH PLUME EXTENDS
64KM TO THE SOUTHWEST OF THE SUMMIT AND THIS ASH IS BELIEVED TO BE
AT FL050.
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TRAJECTORY: ASH AT FL250 WOULD MOVE TOWARD THE EAST AT 10 KTS. ASH
AT FL050 WOULD MOVE TOWARD THE SOUTHWEST AT 20-25 KTS.
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OUTLOOK: SEE LATEST SIGMETS.
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NEXT STATEMENT WILL BE ISSUED BY 17/0630 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

• Back ground Pacaya