FVXX21 KWBC 300800
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VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0800 UTC 30 OCTOBER 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-048      ECUADOR 1.47S 78.44W 
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BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
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SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY 
NATIONAL WEATHER SERVICE NUMERICAL WEATHER MODEL DATA.  
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ERUPTION DETAILS: OCCASIONAL VENTING OF ASH AND STEAM.
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DETAILS OF ASH: GOES-8 SATELLITE IMAGERY THROUGH 30/0715 UTC SHOWS
EXTENSIVE CLOUDINESS OVER THE AREA OF THE VOLCANO MAKING DETECTION
OF ASH IMPOSSIBLE.  HOWEVER..REPORTS FROM THE GEOPHYSICAL INSTITUTE
PASSED ON BY THE GUAYAQUIL MWO INDICATE VOLCANIC ASH MOVING TOWARD 
THE SOUTH TO SOUTHEAST FROM THE VOLCANO AT FL210.
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TRAJECTORY: NUMERICAL MODEL DATA SUGGEST ASH AT FL210 WOULD MOVE
TOWARD THE SOUTH  AT 10-15 KT.
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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 AROUND 30/1400 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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SCHWARTZ/SAB/NOAA/NESDIS
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