FVXX21 KWBC 271410
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1410 UTC 27 JAN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-109         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 VISIBLE INFRARED AND MULTISPECTRAL
SATELLITE IMAGERY.  GEOPHYSICAL INSTITUTE IN QUITO 
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ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM.
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DETAILS OF ASH: GOES-8 SATELLITE DATA THROUGH 27/1345 UTC SHOWED 
MID-LEVEL CLOUDS IN THE VICINITY OF THE SUMMIT PRECLUDING THE
DETECTION OF ASH BELOW THE CLOUD DECK.  THE GEOPHYSICAL INSTITUTE
INDICATED THAT WHILE OCCASIONAL EMISSIONS OF ASH TO FL200 HAVE
OCCURRED THERES BEEN LITTLE ACTIVITY IN THE LAST 48 HOURS.  THIS
INFORMATION IN COMBINATION WITH THE FACT THAT SATELLITE DATA HAS NOT
DETECTED AN ASH PLUME FOR 36 HOURS IS THE BASIS FOR ENDING THE
CURRENT WARNING IN FAVOR OF WATCH STATEMENTS.  IT SHOULD BE
EMPHASIZED THAT OCCASIONAL EMISSIONS OF ASH CONTINUE TO OCCUR AND
THAT A LARGER ERUPTION CAPABLE OF SENDING ASH 3 TO 4 KM ABOVE THE
SUMMIT CAN OCCUR AT ANY TIME WITH LITTLE OR NO WARNING.
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TRAJECTORY: NIL. 
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OUTLOOK:  SEE SIGMETS.
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THIS IS THE FINAL WARNING STATEMENT ON THIS EVENT.  A WATCH
STATEMENT WILL BE ISSUED AROUND 28/1730 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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TURK
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