FVXX21 KWBC 080750 VOLCANIC ASH ADVISORY ISSUED 0750 UTC 08 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-925 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: NEARLY CONTINUOUS GASES AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: NO ASH COULD BE DETECTED IN SATELLITE IMAGERY THROUGH 08/0715 UTC DUE TO CONVECTIVE CLOUDS IN THE AREA. THE GEOPHYSICAL INSTITUTE INDICATED THAT THE VOLCANO IS IN A RELATIVE STATE OF CALM BASED ON SEISMIC AND EXPLOSIVE ACTIVITY AS WELL AS SULFUR (SO2) MEASUREMENTS. . TRAJECTORY: ANY ASH NEAR SUMMIT LEVEL WOULD MOVE TOWARD THE WEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 08/1400 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. . CLARK . NNNN