FVXX21 KWBC 261835
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1835 UTC 26 FEB 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-243        ECUADOR 0128S 7826W 
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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. GEOPHYSICAL INSTITUTE REPORT. 1800 UTC AVIATION MODEL WINDS
FORECAST.  GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMET
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ERUPTION DETAILS: NEARLY CONTINUOUS EMISSION OF GASES WITH
OCCASIONAL EMISSION OF ASH.
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DETAILS OF ASH: THE GEOPHYSICAL INSTITUTE INDICATED VOLCANIC ASH WAS
OVER THE SUMMIT AND MOVING WEST AT 1615 UTC.  A SUBSEQUENT PILOT
REPORT RELAYED THROUGH THE GUAYAQUIL MWO STATED THAT ASH WAS TO
FL260 AT 1628 UTC.  THE PLUME WAS 22 KM (12 NMI) WIDE AND MOVING
TOWARDS THE SOUTHWEST.  SATELLITE IMAGERY THROUGH 1745 UTC SHOWED
EXTENSIVE MID AND HIGH LEVEL CLOUDS OVER THE SUMMIT AND THE
SURROUNDING VICINITY MAKING DETECTION OF ASH BELOW THE CLOUD DECK
IMPOSSIBLE. 
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TRAJECTORY: TOWARDS THE SOUTHWEST AT 10 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 27/0030 UTC.

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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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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TURK
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