FVXX21 KWBC 221420
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1420 UTC 22 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-152         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 VISIBLE INFRARED AND MULTISPECTRAL
IMAGERY. THE GEOFISICO INSTITUTO. SIGMET 2 FROM GUAYAQUIL.
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ERUPTION DETAILS: CONTINUOUS STEAM AND ASH EMISSIONS AS REPORTED BY
THE GEOFISICO INSTITUTO.
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 1315 UTC SHOWS HIGH LEVEL
CLOUDS OVER THE AREA. MULTISPECTRAL IMAGERY SHOWS AN ASH PLUME
EXTENDING 86KM (46NMI) NORTHEAST OF THE SUMMIT. THE PLUME IS 28KM
(15NMI) WIDE AND IS ESTIMATED TO FL260. UPPER AIR ANALYSIS SHOWS AN
ANTICYCLONE OVER THE AREA MAKING THE DETRMINATION OF ASH DIRECTION
DIFFICULT. 
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TRAJECTORY: ASH AT FL260 WOULD MOVE TOWARD THE NORTHEAST. ANY ASH
ABOVE THIS LEVEL WOULD MOVE TOWARD THE WEST AND SOUTHWEST.
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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 AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 22/2030 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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BROWN/SAB/NOAA/NESDIS
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NNNN"Attached Graphic Map Depicting Ash" 

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