FVXX21 KWBC 220640
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0640 UTC 22 MAY 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-598         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 REPORT AND 0000 UTC AVIATION
MODEL FORECAST DATA.
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ERUPTION DETAILS: NEARLY CONTINUOUS GAS AND ASH EMISSIONS.   
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 22/0545 UTC SHOWS
EXTENSIVE CLOUDINESS LEFTOVER FROM EARLIER SHOWER AND
THUNDERSTORM ACTIVITY. NO ASH CAN BE DETECTED AT THIS TIME
HOWEVER THE GEOPHYSICAL INSTITUTE REPORTED POSSIBLE ASH OVER
THE VOLCANO AT 0440 UTC. IT IS VERY DIFFICULT TO ASCERTAIN THE
CURRENT HEIGHT OF ASH BUT THE LAST REPORTED HEIGHT OF ACTIVITY
WAS FL280 OVER 24 HOURS AGO.
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TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL280 SHOULD MOVE TO
THE WEST SOUTHWEST AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 22/1300 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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ORRISON
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