FVXX21 KWBC 010630
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0630 UTC 01 MAY 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-509         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. GEOPHYSICAL INSTITUTE. FORECAST FROM THE 01/0000 UTC
AVIATION MODEL.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.   
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DETAILS OF ASH: NO ASH IS VISIBLE IN THE LATEST GOES-8 IMAGERY
AT 0545 UTC. HOWEVER AN OCCASIONAL HOT SPOT CAN BE SEEN IN
SHORTWAVE IMAGERY.  THE LAST VISIBLE IMAGE OF THE DAY
INDICATED A POSSIBLE NARROW PLUME EXTENDING APPROXIMATELY TO
THE POINT 0124S 7902W OR ABOUT 35 NMI WEST OF THE VOLCANO.
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TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL250 WOULD MOVE TO
THE WEST AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 01/1230 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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