FVXX21 KWBC 311900
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1900 UTC 31 MAR 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-383         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 AND INFRARED AND
MULTISPECTRAL IMAGERY. UPPER WIND FORECAST FROM THE AVN MODEL.
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ERUPTION DETAILS: CONTINUOUS GAS EMISSION WITH OCCASIONAL ASH
EMISSIONS.
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DETAILS OF ASH: GOES-8 IMAGERY THROUGH 1815 UTC SHOWS A PLUME
OF ASH AND STEAM MOVING TOWARDS THE WEST FROM THE SUMMIT. THE
ASH IS ESTIMATED AT FL300.  THE LEADING EDGE OF THE ASH IS AT
0106S 7946W WHICH IS 151 KM (81 NMI) FROM THE SUMMIT. THE
PLUME IS 12 KM (6 NMI) WIDE. THE ASH IS ALSO DETECTED IN
MULTISPECTRAL IMAGERY.
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TRAJECTORY: ACCORDING TO UPPER AIR FORECASTS ASH TO FL300 WILL
MOVE TOWARDS THE WEST AT 10 TO 15KTS. 
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 01/0100 UTC.
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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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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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KARST
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NNNN"Attached Graphic Map Depicting Ash" 

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