FVXX21 KWBC 020730
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0730 UTC 02 APR 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-390 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 INFRARED AND MULTISPECTRAL
IMAGERY. WIND FORECAST FROM THE AVIATION MODEL.
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ERUPTION DETAILS: GAS AND ASH EMISSIONS
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DETAILS OF ASH: ASH CANNOT BE SEEN IN SATELLITE IMAGERY
THROUGH 02/0645 UTC BECAUSE OF THE EXTENSIVE WEATHER CLOUDS
OVER THE REGION. AT 01/1945 UTC ASH ESTIMATED AT FL230 COULD
BE SEEN IN SATELLITE IMAGERY.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BETWEEN
THE SUMMIT LEVEL AND FL230 WILL MOVE TOWARD THE WEST AT 10 TO
15 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 02/1330 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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