FVXX21 KWBC 010730 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0730 UTC 01 JAN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-002 ECUADOR 1.47S 78.44W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE IN QUITO. 6 HOUR WIND FORECAST FROM 01/0000 UTC AVIATION MODEL DATA. . ERUPTION DETAILS: INTERMITTENT ASH AND STEAM EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 01/0645 UTC SHOWS EXTENSIVE CLOUDINESS BLANKETING THE AREA AROUND THE SUMMIT MAKING DETECTION OF ASH IMPOSSIBLE. IN ADDITION..THE ASH SEEN EARLIER IS NO LONGER VISIBLE. . 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 01/1330 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . WALTER/SAB/NOAA/NESDIS . NNNN