FVXX21 KWBC 031930 VOLCANIC ASH ADVISORY ISSUED 1930 UTC 03 JUL 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-778 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY. WINDS FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS. . DETAILS OF ASH: NO PLUME IS NOTED IN IMAGERY THROUGH 1845 UTC WITH BROKEN MID LEVEL CLOUDS AROUND THE REGION OF THE VOLCANO. THERE HAVE BEEN NO REPORTS OF HEIGHTEN ACTIVITY AT THE VOLCANO SO THERE IS NO REASON TO BELIEVE ANY PLUME EXTENDS FAR FROM THE SUMMIT OR ABOVE FL250. . TRAJECTORY: ANY ASH THAT MAY EXIST BETWEEN THE SUMMIT AND FL250 IS FORECAST TO MOVE TO THE WEST AROUND 20 TO 25 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 04/0130 UTC. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORIES 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. . . NNNN