FVXX21 KWBC 130830
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0830 UTC 13 FEB 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-184 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 MULTISPECTRAL AND INFRARED IMAGERY.
GEOPHYSICAL INSTITUTE IN QUITO. 6 HOUR WIND FORECAST FROM THE
13/0000 UTC AVIATION MODEL.
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ERUPTION DETAILS: ALMOST CONTINUOUS ERUPTION OF ASH AND STEAM.
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DETAILS OF ASH: LATEST SATELLITE IMAGERY THROUGH 0745 UTC SHOWS
MOSTLY CLOUDY CONDITIONS AROUND ECUADOR WHICH MAKES IT DIFFICULT TO
DETECT ANY ASH. THE LAST REPORT OF ASH (12/2200) HAD IT EXTENDING
AND MOVING FROM THE VOLCANO TO THE WEST NORTHWEST AND ESTIMATED
AROUND FL290
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TRAJECTORY: ANY ASH BELOW FL300 WOULD MOVE WESTERLY AROUND 20 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED AT 13/1430 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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