FVXX21 KWBC 080210
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VOLCANIC ASH ADVISORY
ISSUED 0210 UTC 08 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-086     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...GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMETS AND THE
INSTITUTO GEOFISICO.
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ERUPTION DETAILS: THE INSTITUTO GEOFISICO REPORTS A NEARLY
CONTINUOUS EMISSION OF STEAM AND ASH NEAR THE SUMMIT AND STRONG
SEISMIC ACTIVITY.
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DETAILS OF ASH: EVEN THOUGH THERE ARE METEOROLOGICAL CLOUDS OVER THE
AREA AROUND THE VOLCANO IN THE 0115 UTC MULTISPECTRAL IMAGERY A
FAINT DETECTION OF ASH WAS NOTED EXTENDING FROM THE VOLCANO
SOUTHEAST (130 DEGREES) ROUGHLY 40 KM (22 NMI) AND WAS AROUND 10 KM
(5 NMI) WIDE. A BRIEF HOTSPOT IN IMAGERY WAS ALSO NOTED. THE
ESTIMATED HEIGHT OF THE ASH WAS BELOW FL250. 
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TRAJECTORY: UPPER AIR WIND DATA SUGGESTS ANY ASH BETWEEN FL200 AND
FL300 WOULD MOVE TOWARDS THE EAST TO SOUTHEAST AT 10 TO 15 KNOTS.

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 08/0800 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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"Attached Graphic Map Depicting Ash" 

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