FVXX21 KWBC 271100
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1100 UTC 27 MAY 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-619         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...GUAYAQUIL METEOROLOGICAL WATCH OFFICE..UPPER AIR
WIND FORECAST FROM THE AVIATION MODEL.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.   
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DETAILS OF ASH: EXTENSIVE LOW AND MID LEVEL CLOUDS THROUGH
1015 UTC MAKE IT DIFFICULT TO DETECT ANY ASH OR STEAM IN THE
AREA AROUND THE VOLCANO. THE LATEST REPORT OF AN ERUPTION WAS
AT 26/2000 UTC. THE VOLCANO REMAINS UNSTABLE AND AN ERUPTION
OF GAS AND ASH CAN OCCUR AT ANY TIME.
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TRAJECTORY: UPPER AIR WIND PATTERNS SUGGEST THAT ANY ASH
BETWEEN THE SUMMIT AND FL250 WOULD MOVE TO THE WEST AT 15 TO
25 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 27/1700 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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