FVXX21 KWBC 050115
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0100 UTC 05 JAN 2000 BY THE WASHINGTON VAAC 
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TUNGURAHUA 00-018         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
IMAGERY. AVIATION MODEL FORECAST DATA. 04/1200 UTC UPPER WIND
MEASUREMENTS FROM THE GEOPHYSICAL INSTITUTE. 
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ERUPTION DETAILS: CONTINUOUS ASH AND STEAM EMISSIONS.
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DETAILS OF ASH: AN ASH PLUME WAS DETECTED IN VISIBLE IMAGERY THRU
2215 UTC EXTENDING TO THE NORTHEAST OF THE VOLCANO TO THE POINT
0116S 7816W. THIS PLUME WAS 28 KM (15 NMI) LONG AND 5 KM (2.7 NMI) 
WIDE. ASH IS NOT SEEN IN INFRARED OR MULTISPECTRAL IMAGERY AFTER
2215 UTC. THE ASH IS ESTIMATED TO BE BETWEEN FL300 AND FL350. 
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TRAJECTORY: DIRECT MEASUREMENT OF THE SPEED OF THE ASH PLUME WAS NOT
POSSIBLE IN SATELLITE IMAGERY. UPPER AIR WINDS BETWEEN FL300 AND
FL350 RANGE FROM LIGHT AND VARIABLE TO SOUTHWEST (ASH MOVING TO THE
NORTHEAST) AT 10 TO 15 KT.
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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 AND VAFTAD.
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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 05/0700 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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RUMINSKI/NOAA/NESDIS/SAB
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NNNN
"Attached Graphic Map Depicting Ash" 

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