FVXX21 KWBC 081400 VOLCANIC ASH ADVISORY ISSUED 1400 UTC 08 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-926 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE ... INFRARED AND MULTISPECTRAL IMAGERY. SIX HOUR 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 08/1315 UTC. THE AREA IS NEARLY COMPLETELY COVERED WITH CONVECTIVE CLOUDS. A GEOPHYSICAL INSTITUTE OBSERVATION AT 1251 UTC INDICATES PROBABLE VOLCANIC ASH OVER THE VOLCANO UP TO FL190 WITH A WESTWARD MOVEMENT. . TRAJECTORY: ASH FROM THE SUMMIT TO FL190 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. . NNNN