FVXX21 KWBC 192000 VOLCANIC ASH ADVISORY STATEMENT ISSUED 2000 UTC 19 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-333 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL IMAGERY. 19/1800 UTC UPPER WIND FORECAST FROM THE 19/1200 UTC AVN MODEL RUN. . ERUPTION DETAILS: POSSIBLE ASH EMISSION AT APPROX 19/1215 UTC. . DETAILS OF ASH: GOES-8 IMAGERY THROUGH 1915 UTC SHOWS THE SUSPICIOUS CLOUD FROM THE 1215 UTC EMISSION HAS DISSIPATED. EXTRAPOLATION OF THE CLOUD FROM EARLIER GOES-8 SPLIT WINDOW IMAGERY HAS THE CLOUD APPROXIMATELY 10 KM IN DIAMETER AROUND A POINT 0055S 8154W. AGAIN...WE CAN NOT SEE THIS CLOUD IN CURRENT SATELLITE IMAGERY. THIS POSITION IS AN APPROXIMATION OF WHERE THE CLOUD WOULD BE BASED ON THE VAFTAD AND CURRENT WIND SPEED AND DIRECTION. . TRAJECTORY: UPPER AIR PATTERS SUGGEST ANY ASH TO FL300 TO MOVE WEST AT 20 TO 30 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 20/0200 UTC. . 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/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . HUGHES . NNNN