FVXX21 KWBC 010330 
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0130 UTC 01 JAN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-001         ECUADOR 1.47S 78.44W 
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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
IMAGERY. GEOPHYSICAL INSTITUTE IN QUITO. 6 HOUR WINDS FORECAST FROM
31/1800 UTC AVIATION MODEL DATA
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ERUPTION DETAILS: INTERMITTENT ASH AND STEAM EMISSIONS.
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DETAILS OF ASH: VISIBLE SATELLITE IMAGERY THROUGH 31/2145 UTC SHOWED
A NARROW PLUME BEFORE MID AND HIGH LEVEL CLOUDS OBSCURED THE SUMMIT
AND SURROUNDING VICINITY.  AT 31/2115 UTC THE PLUME EXTENDED 53 KM
(29 NMI) TO THE SOUTHWEST OF THE SUMMIT TO THE POINT 1.7S/78.9W. 
THE PLUME WAS 12 KM (6 NMI) WIDE AND ESTIMATED AT FL250.  INFRARED
AND MULTISPECTRAL IMAGERY THROUGH 01/0045 UTC DID NOT REVEAL AN ASH
PLUME ALTHOUGH IT SHOULD BE NOTED THAT MID LEVEL CLOUD WAS STILL
OBSCURING THE SUMMIT AND IMMEDIATE SURROUNDINGS.
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TRAJECTORY: TOWARDS THE SOUTHWEST AT 15 TO 20 KNOTS.
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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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OUTLOOK:  SEE SIGMETS.
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EFFECTIVE JANUARY 3 2000 AT 0000 UTC... ALL REFERENCES TO LATITUDE
AND LONGITUDE IN VOLCANIC ASH ADVISORY STATEMENTS WILL BE IN DEGREES
AND MINUTES OF A DEGREE.  EXAMPLE: 16.70N 62.20W  WILL BE 1642N6212W
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THE NEXT STATEMENT WILL BE ISSUED BY 01/0730 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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TURK/SAB/NOAA/NESDIS
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NNNN
"Attached Graphic Map Depicting Ash" 

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