FVXX21 KWBC 011930 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1930 UTC 01 JAN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-004 ECUADOR 1.47S 78.44W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE IN QUITO. FORECAST FROM 01/1200 UTC AVIATION MODEL DATA. . ERUPTION DETAILS: INTERMITTENT ASH AND STEAM EMISSIONS. . DETAILS OF ASH: NO ASH IS DETECTED IN THE LATEST GOES-8 VISIBLE SATELLITE IMAGERY THROUGH 01/1845 UTC BECAUSE OF LOW LEVEL CLOUDINESS OVER THE AREA OF THE VOLCANO. . TRAJECTORY: ANY REMAINING ASH AT FL250 WOULD CONTINUE TO MOVE TOWARDS THE SOUTHWEST AT 15 TO 20 KNOTS. . 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/) . OUTLOOK: SEE SIGMETS. . 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 . THE NEXT STATEMENT WILL BE ISSUED BY 01/0130 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . BROWN/SAB/NOAA/NESDIS . NNNN