FVXX21 KWBC 191530 VOLCANIC ASH ADVISORY ISSUED 1515 UTC 19 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-971 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE AVIATION MODEL. THE GEOPHYSICAL INSTITUTE IN QUITO. . ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS. . DETAILS OF ASH: NO ASH CAN BE SEEN IN SATELLITE IMAGERY THROUGH 19/1445 UTC DUE TO WEATHER CLOUDS OVER THE AREA. THE MOST RECENT REPORT OF ASH WAS AT 18/2122 UTC WHEN THE GEOPHYSICAL INSTITUTE OBSERVED ASH TO FL240. . TRAJECTORY: ASH AT FL240 WILL MOVE TOWARDS THE WEST-NORTHWEST AT 20 TO 25 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 19/2130 UTC. . REAL TIME SATELLITE IMAGERY AND 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