Updated Volcano Information
VOLCANIC ASH ADVISORY
ISSUED 1100 UTC 06 NOV 1999 BY THE WASHINGTON VAAC
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TUNGURAHUA 99-080 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...BULLETIN
AND WIND DATA FROM THE INSTITUTO GEOFISICO IN ECUADOR.
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ERUPTION DETAILS: THE INSTITUTO GEOFISICO REPORTS A NEARLY
CONTINUOUS EMISSION OF STEAM AND ASH AND STRONG SEISMIC ACTIVITY.
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 1015 UTC SHOWS DENSE
METEOROLOGICAL CLOUDS OVER THE VOLCANO AND NO ASH CAN BE DETECTED.
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TRAJECTORY: UPPER AIR WIND DATA SUGGESTS ASH BETWEEN FL200 AND FL250
WILL MOVE TOWARDS THE SOUTHEAST AT 10 TO 20 KTS.
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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